Unity is difficult to achieve in the newly independent African countries because of many rivers

many mountain ranges

different tribal customs and languages

too few roads

Plz help

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

the geography of greece

led to limited interactions with other cultures in the mediterranean

was rich in natural resources and led to repeated invasions from the macedonians

encouraged greater contact with peoples on the southern and eastern mediterranean coasts

caused the greeks to eventually relocate eastward under alexander the great

b. the right to wage war and make peace