What were the two purposes for the forts on the oregon trail?

What was the cause of the glorious revolution

Write 3 paragraphs on why the us should not have annexed the philippines

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.