Not all forms of government have limited government.
Types likes Dictatorships, Oligarchy, Traditional Monarchies, and Theocracies often don’t.
Constitutional Monarchies, Republics, and Democracies often do
The truman doctrine offered aid to any country threatened by communism. SO any government that was liable to turn to communism the truman doctrine aided those countries so that those countries might instead turn to democracy.
b- decreased opportunities for entrepreneurs
The Industrial Revolution in the US increased opportunities for entrepreneurs. With new technology, there were more opportunities for people to create new businesses. In addition with new businesses being created there were connected, tangent businesses growing was well. For example, when the light bulb was invented it gave others the opportunity to create light fixtures, street lights, and film projectors.