I'm doing this right now, but I have Toilet Paper, 589CE (Sui Dynasty) China and Paper money, 600-700CE China. That's all I got
Opposition increased over time because american citizens had kept seeing the results of the war. For example, like increased funding, many deaths, and lost a lot of battles. As the war continued and the US was not progressing any in defeating North Vietnamese forces, Americans began to view the fighting as pointless due to all the consequences. I believe it was justified, because the outcomes could have been avoided if peace with Vietnam was settled earlier or if the US didn't even get involved.
Answer: The United States would not interfere in wars between European Powers. The United States would not interfere in existing colonies in the Western Hemisphere. The Western Hemisphere was closed to further colonization. Any action by a European country to control another in the western hemisphere the US would consider it as a hostile action.
Explanation:
I believe it was the civil rights act of 1964.