Some people use cars to hide bombs. 

Some people use cars to hide bombs. 
Long ago, people used ships to carry bombs. Later, they used carts pulled by horses. Some even used donkeys to move them.
Today, people use cars or big trucks. A truck can carry a lot of weight. This makes the blast much stronger.
Drivers can start a bomb in many ways. They might use a timer or a remote. Some use the car's own pedals.
Many people work hard to keep us safe. They use big blocks to stop cars. 
A car bomb is a bomb placed inside a vehicle. 
In the past, people used different ways to move bombs. Some used ships or carts pulled by horses. In 1927, a man used a truck in Michigan. This event killed 45 people. Later, groups used donkeys to carry bombs in markets.
Some people use a vehicle to carry out a suicide attack. This means the driver stays with the bomb. In wars, some drivers add metal armor to their cars. This armor helps them get close to a target. 
Bombs can start in many ways. A person might use a timer. They might also use a remote control. Some bombs go off when a door opens.
To stay safe, many cities use roadblocks. They use heavy concrete blocks to stop cars. 
A car bomb is a device built to explode inside a vehicle. 

There are many ways to make a bomb go off. Some are connected to the car's ignition system. Others use a timer so the person can get away safely. A person might use a remote control to trigger the blast. Some bombs go off when a door opens or a pedal is pressed. A tilt fuse can also be used in a bomb. This is a small tube filled with mercury. When the car bumps or turns, the mercury moves and completes a circuit. 
Using vehicles to carry bombs is not a new idea. In the 16th century, Dutch forces used ships filled with explosives. These were called hellburners. Later, people used horse carts to carry bombs. In 1927, Andrew Kehoe used a truck in Michigan. This event killed 45 people and destroyed part of a school. In the 1920s, a wagon was used in a bombing on Wall Street. These early methods paved the way for modern car bombs. 
Many different groups have used car bombs for many reasons. In 1939, the Irgun group used donkeys to carry bombs in a market. In 1947, the Lehi group bombed a police station in Haifa. During the Troubles in Northern Ireland, the PIRA used car bombs. They saw them as a way to disrupt the government. In 1983, a bombing in Beirut killed 241 U.S. peacekeepers. In 1995, a truck bomb in Oklahoma City killed 168 people. 
Today, some people use armored vehicles for these attacks. These are called SVBIEDs. Drivers add metal plates to protect themselves from gunfire. This armor can cover the wheels and the driver's view. 
A car bomb is an improvised explosive device placed inside a vehicle. These devices are often called vehicle-borne improvised explosive devices, or VBIEDs. They can be found in many types of transport, including cars, buses, vans, or large trucks. 
There are many ways to make a car bomb explode. Some are connected to the car's ignition system. Others use a timing device so the person can leave the area safely. Remote detonation is another common method. Some bombs are triggered by physical actions, like opening a door or pressing a brake pedal. 
Using vehicles to carry explosives has a long history. In the 16th century, Dutch forces used "hellburners." These were ships filled with explosives used against Spanish forces in Antwerp. Later, people used horse carts to carry bombs. An unsuccessful attempt to kill Napoleon in 1800 used a bomb in a horse cart. In 1905, an assassination attempt on Ottoman Sultan Abdul Hamid II used a car. 
Different groups have used car bombs for many different political or religious reasons. In 1939, the Irgun group used donkeys to carry explosives in a market in Haifa. The Lehi group later used car bombs in urban warfare. 
Some attacks have caused massive loss of life. In 1983, a suicide bombing in Beirut killed 241 U.S. and 58 French peacekeepers. In 1995, a truck bomb in Oklahoma City destroyed a building and killed 168 people. 
In recent conflicts, the technology has become more advanced. During the Iraqi and Syrian Civil Wars, groups used Suicide Vehicle Borne Improvised Explosive Devices, or SVBIEDs. These are vehicles that are armored to protect the driver from gunfire. 
Cities use many methods to defend against these attacks. They use roadblocks, checkpoints, and concrete blocks called Jersey barriers. Some places use bollards or metal barriers to stop vehicles. 
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