Answer:
Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence. This led to massive immigration in the second half of the 19th century, as mostly Europeans came here seeking to finally have their own land.
It also added vast resources to the United States, both in terms of potential agricultural production and things like gold, silver and timber.
It stimulated the construction of the Transcontinental Railroad, and added new states to the country.
It further aggravated the divide between north and south, and accelerated the onset of the Civil War.
Explanation:
The answer is true. Tourism produced an estimated 14 percent of the region’s Gross Domestic Product in 2013, but, the ships that bring in the tourists dump waste into the ocean
Answer:
earth's crystal gets pushed down back towards the core of earth. and the further down you go the hotter it gets. So the crusts melts back down to magma. and eventually will come back up through lava in volcanoes
The answer is seafloor spreading