awnser
A.“The President . . . may require the Opinion, in writing, of the principal Officer in each of the executive Departments . . .”
explaintion The executive Power shall be vested in a President of the United States of America. States; he may require the Opinion, in writing, of the principal Officer in each separation of powers and how the Constitution set up a system of checks and balences
Trenches were dug in a zigzag pattern so that if an enemy entered the trench, he could not fire straight down the line. ... The main trench lines were connected by communicating trenches, allowing for the movement of messages, supplies, and soldiers and were lined with barbed wire.
Economics.... got it right on quiz
For there were alot of places to carry the disease for bad living conditions
