This immigration law discriminated against a group of immigrants based on 1 point their race, limiting their ability to emigrate to America. *
Chinese Exclusion Act
Stamp Act
Homestead Act
Anti-Irish Act

Anti-Irish Act.

Explanation:

Also called Hibernophobia, may refer to or include oppression, persecution, discrimination, or hatred of Irish people as an ethnic group or nation, whether directed against the island of Ireland in general or against Irish emigrants and their descendants in the Irish diaspora.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

c. troops marched forward in close formation against newer, more accurate weapons