The Organisation of the Petroleum Exporting Countries is an intergovernmental organisation of 15 nations, founded in 1960 in Baghdad by the first five members, and headquartered since 1965 in Vienna, Austria.
Your answer is the first one. Domestic Servant, Skilled Trades, and field workers.
New England colonists’ lives revolved around religion
According the the Homestead Act of 1862, the only two valid answers are A. Settlers had to promise to avoid contact with American Indian tribal lands and D. Settlers had to improve the land (e.g., by buying a house) to keep it.