<span>The
people migrated because they were always searching for food like fruit and vegetables,
and they were always following game that they would hunt. The climate was changing
and getting warmer, Vegetation was changing and people where finding out how to
grow crop. They moved to an area that was perfect to grow crops and hunt. The
area and the climate gave people a lot of choices.</span>
For the Louisiana purchase question, it more than doubled the size of the united states. As for the second question I believe the answer would be "Thomas Jefferson was eager to explore the west to ensure the survival and prosperity of the United States"
I don't have an exact answer but write down what the summary of the speech is about and use those as answers.
Sorry
Bill gates and John D Rockefeller
