Source 1 is primary and source two is secondary. Primary comes directly from an individual of that time period, secondary comes from a historian
<span>There have been 5 major expansions in the US, the first was in the Louisiana </span>territory.
A good resource person to go to when asking help in conducting research is "<span>C. librarian." Librarians are often trained to know exactly where to look for certain research, while there is a lot of false information on the Internet.</span>
