Many European countries argued over territories and land that they wanted, which lead to tension.
I think you forgot to add the options but to help you, Manhattan Project refers to a research and development project that aimed to produce the first nuclear weapons. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
They <span>worked constantly and gave many sincere speeches about the importance of independence.
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Answer:
In the early twentyith century alot of immigration caused a mass boost in population in the united states.
