Which river flows through the middle of the western siberian plains?

Which of the following was not a method used to keep african americans from voting after the civil war? a. white primaries b. literacy tests c. group imprisonment d. gerrymandering

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Ineed asap! ! what is the name of the system in which each branch of the u.s government can limit the actions of the other branches? a. perpetual union b. division of powers c. cooperative federalism d. checks and balances