The Axis powers (Germany, Italy, Japan) battled for the control of the Suez Canal to acquire oil in the Middle East and source raw materials from Asia.
Oil was a critical commodity to increase modernization of its armies, Britain which by then controlled the canal had the first modern army due to the constant supply of the commodity.
The church organized politically,socially,and economically
A secondary source is a description coming from someone who wasn't there and didn't truly experience the event. Since the source contains a soldier's description rather than the soldier writing it him/herself The source is a secondary source. Now since the source obtained it directly from the soldier the source be A. a secondary source with an understandable point of view.
One of the main reasons why the size of cities increased during the Gilded Age is because there was an increase in business due to more capital being spent, and most of these business were either in or close to cities.
The bill of Rights is part of the US constitution, (the first 10 Amendments), so they will be interpreted by the same institution as the one that interprets the constitution generally.
This would be the Supreme Court of the United States - specifically, the Supreme court checks whether the laws passed by the congress are compatible with the constitution