What happened at lexington and concord ?

Explanation:

Lexington and Concord are 2 wars that being the American Revolution on April 19, 19775. the British army was sent out from Boston to capture the rebel leaders John Hancock and Samuel Adams in Lexington as well to destroy the  Americans store of weapons and ammunition in Concord. They are both sufficient and they were the turning points in History.

The Battles of Lexington and Concord signaled the start of the American Revolutionary war on April 19, 1775. The British Army set out from Boston to capture rebel leaders Samuel Adams and John Hancock in Lexington as well as to destroy the Americans store of weapons and ammunition in Concord.

Explanation:

a drastic rise in oil prices ended decades of postwar.

a memoir is the correct answer