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:
Answer:
D. Fossils of the Cambrian Period
Explanation:
The Cambrian Period (541–485.4 million years) is the period known for the explosion of life on Earth, when all the major phyla of multicellular organisms originated, and almost all the groups we find today, in a period of time geologically short.
The primitive faunas of this period had numerous morphological patterns, an immense variety of species, mostly soft-bodied animals, and new ecological strategies such as predation, burying themselves deep in the sediment and building complex, branched tunnels. They also featured some relatively large skeletal animals, such as trilobites, brachiopods, and
Answer:
By giving them easy to follow directions to succseed
Explanation:
When 2 oceanic plate collide, an earthquake is usually made, sometimes causing a tsunami, which is a very large wave of water that speeds towards land, getting larger the closer it gets.
A tsunami can have very adverse effects on human populations that are living on the land that is hit by the tsunami, such as flash flooding, power outages, the destruction of homes, among other things.