How did Slave owners who wanted to free their slaves get around the state law forbidding them to do so?

How did the location of islamic lands make cultural diffusion possible

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.

Iron making developed in china almost a thousand years later than in the middle east. true false