Why and how did the french revolution begin , develop , and end? what were the key achievements ?

The French Revolution lasted 10 years from 1789 to 1799. It began on July 14, 1789 when revolutionaries stormed a prison called the Bastille. The revolution came to an end 1799 when a general named Napoleon overthrew the revolutionary government and established the French Consulate (with Napoleon as leader).

Explanation:

Key achievements: Among other things, it saw the French abolishing feudalism; beheading their monarch; changing their form of government from a monarchy to a republic; forming a constitution based on the principle of equality and freedom; and becoming the first state to grant universal male suffrage

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.