Answer:
b) The amount of federal grant money going to states has steadily increased since the 1960s.
<em> Answer: The overall U.S. population growth has shifted south and west, with Texas and Florida now among the most populous states. RACIAL AND ETHNIC DIVERSITY As we've grown, we've also become more diverse. Improved access to education means far more people today are college graduates.</em>
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<em>Explanation:</em>
The growing of corn enabled the native Americans to have a much more reliable food source that was produced in large quantities and they also had reserves for bad times. This allowed the populations to grow significantly, and also larger cities to be built and developed. It also contributed that the people in this part of the world to have more time to focus on other things, like sciences, astronomy, architecture, instead of just living day by day and be in a constant search of food.
A because he was very optimistic.
