He trained rats in the correct route through a maze,then deliberately damaged their brains and observed that this did not inhibit their progress through the maze.
<span>The broadest and most open gateway to participation is offered to the American people by political parties.
If you want to engage in any type of political activity, you will have to become a member of one of the political parties. That is probably the only way to have any influence when it comes to politics, and to participate in the political life of America.
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B the I think the answer is b
Answer: it gave enslaved people their freedom
Explanation: That was the whole point of the Emancipation Proclamation