How many of the 13 states needed to approve a law before it could be passed under the articles of confederation

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

What is political gerrymandering, what does is accomplish, and why might legislators use this tactic in redistricting

In keeping their culture unchanged what do canadians fear the most?