Sacajawea has the Native American woman that helped Lewis and Clark, mainly due to her brother being the leader of a tribe, which they needed to borrow horses from.
One reason factory owners employed children because they were significantly cheaper than hiring an adult. "the child is paired one shilling or one shilling and six pence". This shows that it's more cost efficient to hire a child.
Another reason factory owners employed children because of their size. Here is a quote to support this "The smallest child in the factories were scavengers they go under the machine". This shows that if the child is smaller they can do more dangerous jobs than an adult.
Totalitarianism <span>is a type of government that wants to try to control their citizen’s lives, even their thoughts by using propaganda, secret police forces, and requiring absolute loyalty to the leader.</span>
In my view, environmental changes often lead to global migration, because people need particular conditions to live. So the most suitable option is: <span>A. Environmental changes forced people to migrate to other areas. The number of environment migrants still grows and by 2050, in about 200 million people will leave their homes because of environmental changes.</span>