The answers are:
Meriwether Lewis, William Clark and Sacagawea
An example of discrimination that exists today is harrasment. harrasment is such as, inappropriate jokes, name calling or displays like posters or cartoons directed at a person because of their race, colour, sex or gender, sexual orientation etc.
It moved military forces through a neutral country
Imperial expansion is when an imperialistic country expands by taking over territories of other countries.
Because the Collonist did not agree with the way the British government ruled, they decided to take a stand and make their own.