The Ohio state and the university of michigan studies were

they were leadership studies

Explanation:

The Michigan Leadership Studies were the well-known series of leadership studies that commenced at the University of Michigan in the 1950s by Rensis Likert, with the objective of identifying the principles and types of leadership styles that led to greater productivity and enhanced job satisfaction among workers.

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.