The indian reorganization act of 1934 led to all of the following reforms except: a. established a system of credit for native americans b. established native americans' right to form businesses c. gave native americans the right to intertribal marriage d. gave native americans training to enter the american workforce

C. gave Native Americans the right to intertribal marriage

Explanation:

Native americans didn´t have a prohibition to have intertribal any other kind of marriage by the constitution of the United States of America, so no reform to the law or act could actually give them rights that weren´t taken from them, most of the anti-tribal marriages was basically frown upon by the members of the tribes, not the American government or american society.

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.        

answer; they burn down the bushes and trees;