Which of the following would have been a POLITICAL reason for going on Crusade?

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.

Black death spread because of what problem in medieval europe? which one is it i need the answer quick . a- overcrowded cities b-too many farm animals c-not enough qualified doctors d-all of the above

Which statements are true about "evidence"? )observations which answer questions )proof that an idea is true )information for or against an idea )data to draw a conclusion