When Columbus discovered the New World two very different cultures came together for the first time. There were many positive and negative impacts on both cultures. Which of the following is NOT TRUE about the impacts of exploration?

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; the civil right act of 1964;

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships