Answer:
polluting gases and smoke from factories
Technology or another type of source
They believed that government was an agreement between the governed and the government in a social contract.
None fit perfectly but it seems like the best option here is mutually beneficial
The nineteen twenties are remembered as a quiet period in American foreign policy. The nation was at peace. Americans elected three Republican presidents in a row: Warren Harding, Calvin Coolidge and Herbert Hoover. These conservatives in the White House were generally more interested in economic growth at home than in relations with other countries.
But the United States had become a world power. It was tied to other countries by trade, politics and shared interests. And America had gained new economic strength.
Please mark Brainliest answer
The answer is Scotch-Irish
