If I remember correctly the opium wars resulted in china being figuratively split up by european powers. So, I'd go with 4.
In general, the effects of trusts and monopolies on American business have been positive, in that they have created an environment in which they can thrive. This means, however, that they have been mostly negative for consumers, because competition is reduced.
2- An empire<span> is defined as a political unit or territory or large geographic area under a unified or supreme authority, often an emperor or empress. An </span>example<span> of an </span>empire <span>is the area over which Alexander the Great ruled.</span>
Plains Indians, including Sioux, Cheyenne, Crow, Black feet, Comanche, Pawnee, and many more, developed teepees made of buffalo hides and held up by wooden poles.
