There were actually four HUGE causes for WW1, treaties and alliances brought many countries into war, the imperialism of some countries scared other countries, and they were "defending" themselves, there was a lot of weapons stocking, and countries were creating gigantic armies, and that threatened other countries, and then we have plain old nationalism.
Most black soldiers were scattered throughout the Continental Army in integrated infantry regiments, where they were often assigned to support roles as wagoners, cooks, waiters or artisans. African Americans also served as gunners, sailors on privateers and in the Continental Navy during the Revolution.
African-Americans fought for both sides, providing manpower to both the British and the revolutionaries.
Answer:
Congress can create a postal system, Congress can declare war, and Congress can make treaties with foreign nations.
Explanation:
However, its inability to levy and collect taxes prevented it from doing many of these and its other jobs successfully (if you need me to elaborate say so).
The resignation of President Nixon ended a chapter in the relationship of politicians and the media and began a new one.
Politicians were now much more hesitant around the media and the media saw a new role for themselves as investigators in a way not seen since the muckrackers.