Which two of the following statements reflect how populations changed due to the 1450 to 1650 columbian exchange?

Which russian tsar transformed thr royal residence in st. petersburg, the hermitage, into a center of culture, painting, and the performing arts

What impact did the gi bill and the interstate highway act of 1957 have on the development of the suburbs

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons