The answer to a strong research question leads to

The correct answer is B). A thesis, or topic statement.  

The answer to a strong research question leads to a thesis or topic statement.  This is because if you have investigated properly, researching the facts and confirming the sources, then it can lead you to a thesis or topic statement.

A thesis defines the scope and purpose of the document. It must be argued, limited and unified. A correct topic sentence improves the organization of an essay for a better understanding.

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.

a

explanation: