What strategies the convoys used to help the allies combat German submarine warfare

Plz 50 points answer only if you know and dont copy from others draw conclusion explain how trade in the east african city-states resulted in a blending of cultures. provide examples

Over the years, the colony of jamestown failed to establish peace with powhatan american indians. make itself a permanent colony. grow enough tobacco for export to europe. establish a representative government.

Nationalist movements in the ottoman empire resulted in