Describe one historical development reflected in the passage

Ahistorian studying urban history in chicago in in the early 1900's. she is studying the population changes and the activities that people did in their everyday lives. based on the description which school of thought does the historian likely belong to

The roosevelt corollary, issued in 1904, was a revision to what earlier statement of u.s. foreign policy?

Name two fighter jets that were used by each side during the battle of the coral sea its for a project, this is due today