What geographic feature marks the easternmost edge of islam under the umayyads black sea indus river valley nile river sahara desert

About how many european immigrants were processed at the facilities on ellis island

What problems did socialist thinkers seek to solve

Why were americans concerned about the future of north and south america? check all of the boxes that apply. they worried that european countries would take over independent countries in latin america. they thought that european nations could threaten democracy in the united states. they believed that europe would never again return to the americas.