Immigrants from which of the following countries would have faced the greatest restrictions during the late 19th century and early 20th century? a. ireland b. china c. mexico d. russia

The best answer to the question of "Immigrants from which of the following countries would have faced the greatest restrictions during the late 19th Century and early 20th Century" is B. China, as the regions across China were under reform as China began to amalgamate. As many other Empires were expanding, immigration was encouraged in many of the European countries.