One of the main reasons that Jamestown settlers struggled to survive was that they were not used to physical labor.
spent too much time looking for the Roanoke colonists.
befriended the Powhatan people.
listened to John Smith’s faulty advice.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.

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