B. Harmed because they brought deadly diseases
The four main Allies in World War I were "England, France, the United States and Russia, although it should be noted that Italy was also an important ally, although it is not listed.
True I think look in your textbook
Yes, the Constitution resolved the weaknesses in the Articles of Confederation. It gave more power to the central government, for Shay's Rebellion helped them realize they (the govt.) needed more power. It also included the Bill of Rights, letting the citizens know what their rights were.