Which was not a reason for the huge migration of the people from their home lands to the united states in the mid 1800's

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity