Using the information from the website, briefly describe European imperialism Africa before the 19th century.

they wer veryyy fast

Explanation:

lesss g freee points

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

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.