What was the significant about lexington and concord?

The significance of these battles is that they were the first battles of the Revolutionary War. These battles happened in April of 1775. They happened because the British commander in Boston had heard of supplies of powder and weapons being kept by Patriots in the towns of Lexington and Concord.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.