I believe its B as 'progressive' means <span>favoring or advocating </span>progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters:<span>
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Because farmers can get more money for their crops. People might of went into poverty.
The European Economic Community was created to integrate and bring about the economic integration of the states that is a member. It is a treaty for the unification of the economic policies of the nations, which includes the Belgium, France, Italy, The Netherland, West Germany, and Luxembourg.
The major achievement of Robert Gray, <em>the American merchant sea captain born in 1755</em>, was exploring the Northern Pacific cost of North America and then naming of the Columbia River, in 1792 as a result.