12. Marx's theory that there was a class conflict between the interest of capitalists and the interest of laborers that could be resolved by shifting the ownership of the means of production is known as
O A. communism.
O B. socialism
O C. democracy.
O D. authoritarianism.

The correct answer is B. Socialism

Explanation

Socialism is the name of a social, political, and economic doctrine based on the collective ownership and administration of the means of production to achieve a more equitable distribution of wealth. In this doctrine private property is argued as the distinction of social classes should be eliminated or reduced. Among the most prominent philosophers who contributed to the theoretical construction of socialism are Karl Marx and Friedrich Engels. Therefore, the correct answer is B. Socialism

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union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.