True or false under the articles of confederation, each state had only one vote but all states had to approve the articles of confederation

How does the u. s. constitutional republic compare to authoritarian forms of government

After nine states had ratified the constitution by mid-1788, other states quickly followed. all thirteen states had to obey it. it became law in the united states. none of the states had to obey it.

Why do many scientists suppose the land bridge theory of migration?