Which event caused american schools to place a greater emphasis on science and math courses in the 1950s and 60s? a the korean war b the space race c the vietnam war d the cuban missile crisis

The map above shows the expansion of the greek empire. which statement best describes the greeks during the 4th century bc? a. greek expansion was stopped by the persian empire. b. the greek empire controlled parts of africa, europe, and asia. c. the greeks were threatened by barbarian tribes in europe. d. greece did not have friendly relations with ancient egypt.