Why was france and spain allies to america during the american revolutionary war?

How was louis and clark expedition event unfolding and what was going on

Which factor best suggests a cause for the urban problems shown in this table? (3 points) increasing discriminatory housing practices shifting population density gradients over time declining urban renewal efforts by city governments declining basic employment sector in industrial cities increasing gentrification efforts in the inner cities

Dalton developed the first model of the atom that showed the structure of the inside of an atom