What was a principle of marxism that American capitalists opposed

Rule by the working class. Or

Explanation:

The Marxist principles that American capitalist opposed would be how capital was defined. Based on the principles of Marxism capital is a social and economic relationship between people. This means that it seeks to abolish or remove capital gains in the side of economics of business people or suppliers.

b.lincoln had the victory he wanted for emancipation

so, based on the research i've done. the u.s. government were always on a wild goose chase just to take down castro. he then retired his trone to his brother raul in 2008 due to some health issues. so it's obvious your answer would be:

castro had no allies from which he could receive aid.

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                                                    -wolfiewolffromsketch