Answer:
foreign epidemics and advanced weaponry
Explanation:
The first crusades were very early on in history (1096-1096 AD or CE) this means their were no cars or trains, your map shows you that they went over land so that rules out boats. The answer can only be that they went on foot, or on the back of some animal such as a horse or chariot type vehicle.
They dug ditches for water, they caught water from the rain
Answer: United States Congress
Explanation:
Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress.