oil
The vast expansion of the ocean
The acquisition of the vast new territories following the Mexican War.
between 1801 and 1861
A vast expansion of the homeowning middle-class.
No. John Adams was not important in creating expansion in the US.
The first major US expansion came in 1803. The Louisiana Territory owned by France, was offered for sale to the US under President Jefferson. It was a huge territory that almost doubled the US's territory. Along with the vast lands, was the important city of New Orleans.
The US senator who believed that the US should take the whole continent was Senator James K. Polk. He advocated for the expansion of US territory through the annexation of Texas, the acquisition of the Oregon Territory, and the war with Mexico, which resulted in the cession of vast territories to the United States.
Manifest Destiny and the US Expansion refers to the wide belief in the US that American settlers were destined to expand throughout the continent.
They believed that expansion went against American ideals.
The US has vast reserves of Coal in 25 of its states. (see related link below).
The Spanish-American war, in 1898, was a significant event in the US expansion in the Pacific. The war resulted in the Philippines, becoming a US possession.
They believed that expansion went against American ideals.