when texas became part of the united states in 1845, many people moved in from the United states, believing it was the duty and responsibility of Americans of settle further west. What name is given to his particular belief? A) boom and bust B) sectionalism C) manifest destiny D) the texas question

The belief that it is the duty and responsibility of Americans to settle further west is known as Manifest destiny.

The ideology of the Manifest destiny was coined when Texas gained independence from Mexico and became part of United State.

The ideology of the Manifest destiny is that people must expand, spread democracy and capitalism across the North American continent.

The idea made the citizen of Texans to move further west for expansion of the country.

Therefore, the Option C is correct.

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The answer is C, Manifest  Destiny

Explanation:

Manifest destiny was a widely held American imperialist cultural belief in the 19th-century United States that American settlers were destined to expand across North America.