1. Cho biết vào cuối thế kỉ XIX- đầu thế kỉ XX, tình hình kinh tế, chính trị, xã hội ở các nước Anh, Pháp, Đức, Mĩ có điểm gì nổi bật? 2. Nêu nhận xét về chính sách đối ngoại của các nước Anh, Pháp, Đức, Mĩ cuối thế kỉ XIX- đầu thế kỉ XX?

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Which of the following shows the correct order of events? catt’s “winning plan,” suffrage in some western states, the nineteenth amendment suffrage in some western states, the nineteenth amendment, catt’s “winning plan” suffrage in some western states, catt’s “winning plan,” the nineteenth amendment catt’s “winning plan,” the nineteenth amendment, suffrage in some western states

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal