Which civil rights tactic was most directly responsible for 18 year olds winning equal voting rights in the 20th century ?

What might be something all americans believe in that unite us as a nation ?

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

Which european nation had the most dominant navy during world war i