Why are the Battles of Lexington and Concord significant?

How would lincoln's assassination change the direction of reconstruction? the radicals used this opportunity to take control of the plans. the south refused to cooperate with any plans after lincoln his death would put an end to all reconstruction plans. lincoln was too weak to carry out his plan and now it could be carried out.

During world war ii who is the commander-in-chief of the pacific fleet

N1947, the united nations create a country