Explain why americans feared of communist attack

The largest city in brazil, sao paulo, has a population of about 11 million. based on the rank-size rule, what is the population of the second-largest city, rio de janeiro, most likely to be? a. 8 – 10 million b. 5 – 6 million c. about 3 million d. about 1 million

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

What was the national government’s biggest concern is facing a war under the articles of confederation