The first Crusade was started because... 1. Christians wanted to recapture the Holy Lands
2. Christians wanted a safe place to pray
3. Muslim forces defeated Christian forces
4. Saladin invaded Jerusalem

Which of the following contributed to the cultural rebirth known as renaissance a. the development of the feudal order b. an emphasis on church teachings c. the growth of trade and commerce d. the rejection of the teachings of ancient greece and rome

Geography and harsh weather played a major role in the napoleons defeat during his invasion of

Na test of the effects of sleep deprivation on problem-solving skills, research participants are allowed to sleep either 4 or 8 hours on each of three consecutive nights. this research is an example of: a)naturalistic observation. b)survey research. c)a case study. d)an experiment. e)correlational research.