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:
<span>Under a unitary type of government, there is one central government. This type of government provides citizens with the right to vote on issues within their state and within the country. Local citizens can also become involved in local politics and hold offices in city, county and even state positions.</span>
1. <span>the process started with the collapse of a nebula
The universe almost certainly didn't start from the collapse of a nebula.
2. The mantle is the middle layer.</span>
They had a Better McDonald's than the Americans
