Why was jamestown built on a peninsula

11. why do citizens have to register to vote?

New communication technologies, improved transportation, and advanced military weapons made it possible for countries to speed up acquiring territory. rule large amounts of territory. fight off competition from opposing nations. expand their economies, which aided in conguest.

Of the 8 territories that were brought under the flag of the united states by 1853, which on do you think was the most important addition to the growth of the united states? give 2 reasons.