<span>During World War II, the Tehran and Yalta were significant significant because </span>sites of conferences held by the Big Three . The so called the Big Three is <span>The Tehran, Yalta and Potsdam Conferences. The answer is D, hope it helps. </span>
A. A law that requires all citizens to pay taxes on their incomes
<span>The influx of a large number of foreign labor in need of jobs, representation, assistance and recognition. These immigrants could be pooled to provide leverage at the voting booth for the promised patronage of the political machines like Tammany Hall</span>