B, C, F. People started moving to cities because nobles died in the crusades/lost power. The crusades caused the church to lose power. Increased trade was brought on by the crusades due to exotic goods now having a demand.
Answer:
Federalism is one of the most important and innovative concepts in the U.S. Constitution, although the word never appears there. Federalism is the sharing of power between national and state governments. In America, the states existed first, and they struggled to create a national government
Answer: The research method most appropriate for identifying cause and effect is a correlational study.
Explanation:
A correlational study is used in quantitative research and is designed to measure the degree of relationship that exists between two or more variables. This type of research is non-experimental and the main objective is to obtain statistical data that compare the variables. For example, a correlational investigation could analyze whether students in a classroom like blue or green color more.
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