Liên hệ về tinh thần của nhân dân ba nước Đông Dương trong giai đoạn hiện nay

this is a good question! i'll do some research and come back when i have the answer!

i am 99% sure that the increase of goods was because of nafta nafta stands for the north american free trade agreement to lift tariffs

no, the constitution said nothing about adding territory. president jefferson said he had authority to make treaties so he called the purchase a treaty.