What is a marxist principle that the above quote to explain?

the means of production should be in the hands of the upper class.
socialism would never uphold the rights of the working class.
society should remain a competition between the classes.
the best society is one without socioeconomic classes.

Which explorer travel the farthest south in his journey

The persian empire finally fell to the armies of

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.