A cause was that Texas declared its independence from Mexico. It changed the U.S. by the U.S. gaining California, New Mexico, Utah, Arizona, Colorado and parts of Wyoming.
<u>The correct answer is A.</u> The secondary objectives of the expedition were scientific and economic such as: study the fauna and flora of the territory, its geography and the possibility of making commercial deals with the indigenous people of the region.
Americas and Oceania were similar in the way that first they both could developed experienced agricultural practices. Second, they could have their own distinct architecture, art and some other cultural characteristics with any influence from the outside. Third, some external groups sustained their nomadic hunter.-gathering lifestyle. And finally, both of them faced dangers of overpopulation and exposed of diseases they had never been exposed to. They both were different just because they developed large sophisticated societies in isolation merely.
