Which of the following sentences best describes the progressive era?
it was a period in which many social reforms occurred.
it was a period of unchecked abuses by big business.
it was a period of civil war and the end of slavery.
it was a period of westward expansion under the idea of manifest destiny

It was a period in which many social reforms occurred.

Explanation:

The Progressive Era was a period of reform in the history of the United States that spanned approximately from the 1890s to the 1920s. Antitrust laws, Dry Law, female suffrage and federal income tax arose during this time. , like many of the social reforms that shape the way we live and work today.

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

montesquieu took the view that the roman republic had powers separated so that no one could usurp complete power. in the british constitutional system, montesquieu discerned a separation of powers among the monarch, parliament, and the courts of law.