Why does the united states congress use the committee system

What was gained through the gadsden purchase

Plz answer meh question it"s due in 5 what were the israelites known for that made them unique among ancient peoples?

When president johnson vetoed a law that would extend the freedmen’s bureau, congress reacted by supporting the veto and closing the freedmen’s bureau. writing a new law to show support for the black codes. overriding the veto and expanding the agency’s powers. drafting a law to prevent african americans from voting.