After the United States declared war on Germany, approximately how long did it take for over a million American troops to arrive in Europe?
A. two months
B. two years
C. one month
D. one year

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.