Why was the mongol conquest of china difficult?

Which best describes how president kennedy apples to the audiences at the beginning of his speech?

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million

What event ensured england safe passage to colonize north america? a) many englishmen desired more religious freedom than the king allowed.b) england's government decided to take advantage of america's wealth of resources.c) england's defeat of the spanish armada in 1588 opened up the seaways.d) cabot claimed the north atlantic coast for england in 1497.