I live in Louisiana, this is easy.
Purchased from France in 1803, the Louisiana Purchase<span> doubled the size of the United States, created an opportunity for westward expansion, increased conflict with Native </span>Americans<span>, renewed the question of whether the new territories should be slave or free, and angered the British government by giving France</span>
I would strongly suggest indaba. It allows each country to be heard and they can come to a conclusion quickly. They can only voice their opinion in a certain way. A country gives their Red Line in a diplomatic way and the other can respond with their hard limits.
Answer:
World war two began with the invasion of Poland by Hitler
I think not very sure