When a 1936 Literary Digest poll found overwhelming support for Alfred Landon’s presidential bid over Franklin Delano Roosevelt, they made an erroneous prediction that Landon would defeat FDR. What are the probable sources for error in their poll that helps explain their mistake?
a. Non-response rate was highb. Sample was not representative of the population
c. Failed to use probability sampling techniques
d. All of these

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

What was the direct cause of the u.s. entry into world war ii? a. the bombing of pearl harbor b. the invasion of poland by germany c. the capture of belgium by germany d. the battle of britain

The term civil liberties refers to specific individual rights that