<span>Chinese were banned from immigrating to the United States, whereas Japanese were banned from only citizenship.In 1924 the law barred further entries of Chinese; those already in the United States had been ineligible for citizenship since the previous year. Also by 1924, all Asian immigrants (except people from the Philippines, which had been annexed by the United States in 1898) were utterly excluded by law, denied citizenship and naturalization, and prevented from marrying Caucasians or owning land</span>
The disintegration of the Roman empire freed Europe from rule by a single power. Imperial monopolies provided peace and stability, but by seeking to preserve the status quo also tended to stifle experimentation and dissent.