The was a new way to solve problems and run research created during the scientific revolution. a) enlightenment

b) scientific method

c) heliocentric theory

d) renaissance

B. Scientific Method.

Explanation:

The scientific method is  a way of answering questions, or rather experimenting to build a hypothesis. It had the following steps, observation, forming a question, then hypothesis,  a prediction based on the hypothesis, testing the prediction, and using the results of the test to  adjust the hypothesis if needed, or to make a new one with new predictions.

one was in america the other france

explanation:

hitler was elected as a strong leader by germans who felt angry following the treaty of versailles.