Well we know that language<span> first appeared among Homo sapiens somewhere between 30,000 and 100,000 years ago. </span>
The Louisiana Purchase doubled the size of the U.S. and secured the port of New orleans.
To build European markets for goods from other colonies
<span>A. practical scientific experimentation.
</span><span>The Age of Enlightenment or also called, Age of Reason or Enlightenment that began around 1620s to about 1780s. In this era of enlightenment, the people used reason, logic and individualism to reform the societal foundations and government. Many things happened during the enlightenment period but the choice is the best according to the responder than the rest of the given. This occurence involved and included the people, philosophers, government officials setting towards a more foundation analysis based on thought and intention rather than plain order and traditional authority. </span>