What are the seven causes of world war 2

Mary i was a ruler known for her kindness and tried to make england a catholic country. t or f

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.

While the roman empire was periodically beset by invasions of nomadic peoples, the han dynasty remained uninvaded by enemies. true or false?