How did Shays's Rebellion demonstrate a problem with the Articles of Confederation? A It showed that the federal government could not maintain law and order.
B It showed that transportation in the United States needed to be improved.
С It showed that the federal government must be allowed to collect taxes.
D It showed that American Indians were being treated unfairly.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation:

i believe that d is the right answer