What challenges did Roanoke faced ?

Antagonism between the native population and the English settlers, combined with chronic food shortages, led to the inevitable failure of the Roanoke colony. Nonetheless, lessons had been learned, and future colonialists would try to avoid the mistakes made by their predecessors.

Explanation:

I hope this helps :)

. austria-hungary began seizing british colonies in africa.

which sentences ? that question is incomplete