Ghana played a significant in Africa is growing nationalist movement when

It became the first independent state in the south of Africa.

Explanation:

In 1957, Ghana, formerly the Gold Coast, became the first sub-Saharan African nation to obtain its independence from European rule. Between then and up to 1966, Ghana developed a series of African nationalist parties and it assisted them in obtaining independence and in extending their power. Ghana even gave them financial support and it provided political training. Furthermore, some institutions were created, such as the Ideological Institute of Winneba, developed to teach how to work for nation building.

a historian is attempting to study how the puritans affected society in new england

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.