It's C. People were trying to get Germans out of U.S
The main <span>effect that the Chinese exclusion act and the gentleman's agreement had on immigration was that Chinese immigration (and immigration from Asia in general) was highly limited to the US. </span>
Constantine moved the capital of the Roman Empire because of how dangerous it was to live in.
Search-and-destroy missions in Vietnam were largely unsuccessful. This is because new and larger reinforcements of Viet-Kongs moved in as soon as American forces departed. As such, these missions did not stem the flow of refugees.
