What groups were targeted during the red scare of 1919? why?

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec

World war 2 was caused, in part, by which of these factors?

The oldest known mesopotamian civilization settled in areas along river banks or sea sides surrounded by mountains and deserts which two statements explain why three geographical features led to the rise of mesopotamian civilizations