The 17th Amendment (C) established the system of direct elections of Senators by the voting public. This changed the system whereby these individuals were previously elected by state legislatures.
The Pentagon Papers revealed that the Harry S. Truman administration gave military support to France against the Communist led Viet Minh, which directly involved the United States in the Vietnam War.
Answer:
here are a few topics:
Explanation: first one:
you could talk about the earliest computers invented and how people had to operate them, you could also talk about how computers receive codes and the first ever code created.
Because some old american people believe that new transportation was too.

CORRECT ORDER:-
The kingdom of Mali loses some of its power.
Askia Muhammad becomes the ruler of Songhai.
Songhai conquers Timbuktu and controls trade activities.
Timbuktu booms with trade.
HOPE IT HELPS YOU.