Which statement best explains why historians use a variety of sources when exploring past events? They want to discover how historical figures reacted to events.
O They must use sources that were created in the time period they are studying.
They must study and approve of the viewpoints of historical figures.
They need to learn about and confirm the truth of details about the past.

legislative branch:

one of the three branches of government divided between the senate and the house of representatives.

- creates or makes laws

- power to override a veto

executive branch:

one of the three branches of government, headed by the president.

- enforces or carries out laws

- power to veto a bill sent to it by congress

judicial branch:

one of the three branches of government, headed by the chief justice of the supreme court.

- interprets laws

- power to declare laws or actions by the government unconstitutional

the anwser is a) to prevent military conflict

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.