A. Subject to approval by the president
<span>The clayton act because it exempted labor unions from being called trusts, legalized strikes and peaceful picketing by labor union members.</span>
A.
After the Civil War Abraham Lincoln was just the first of many US Presidents to encourage immigration through economic and politic measures (one of them was to give free land to anyone willing to work it). The country needed people to rebuild itself and to settle the west of the continent. And everyone was aware that there is plenty of space.
Answer:
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