The immigration act of 1924 was considered outdated by the 1960s because no more immigrants were arriving from asia. immigration patterns were changing. more immigrants were arriving from europe. immigrants wanted a stronger quota system.

The correct asnwer is option:

- Immigration patterns were changing

Explanation:

The 1924 Immigration Act was considered outdated by the 1960s as the trends of immigration shifted. Option B is the correct one.

The 1924 Immigration Act limited the number of immigrants who could enter the U.S. through a quota of national origins. As of the national census of 1890, the quota issued immigration visas for two percent of the total number of individuals of each nationality in the United States.

i also think it is c