What form of government did the Articles of Confederation create? A. a republic with a chief executive B. a strong central government with many agencies and departments C. a government with legislative and judicial branches at the national level D. a league of free and independent states with a limited national government

D. a league of free and independent states with a limited national government

The goal with the articles of confederation was basically to loosely tie together the 13 states as 13 different independent nations more or less. There wasn't much of a strong central authority to tie them all together.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.