D.. its when metal work was getting big and tools were an outcome.
Responding to xenophobic concerns, congress passed an emergency law restricting immigration in 1921. Among other provisions, the act established .a quota for nationalities on the basis of their numbers in the US in 1910,
The quota that enacted limit a specific race from entering the united states within that period
hope this helps
Germany england france norway russia
It made Mexico into a federal republic, that was governed by a national president.
