The correct answer is; The Morrill Acts of 1862 and 1890.
Further Explanation:
In the mid 1800's, colleges started accepting females to enroll and get degrees. This also helped to boost numbers in colleges. But it was the Morrill Acts that established the foundation for hundreds of thousands of students to enroll in college.
The Morrill Acts were part of a federal government initiative to give public land and federal money to create the land grand grants to build colleges. This allowed the middle class families to send their children or themselves to college. The first state to use the land grant funds was Iowa.
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The main way in which the railroads contributed to the end of the large buffalo herds was that "The railroad tracks were obstacles that the buffalo would not cross". It sounds silly, but the buffalo actually refused to cross the tracks for reasons that are still misunderstood.<span />
The concept mentioned above is called World System Theory. It is produced by sociologists named Immanuel Wallerstein and for him, it is a way to deal with world history and social change that proposes there is a world financial framework in which a few nations advantage while others are misused.
<span>Presidents often use executive agreements to sidestep the constitutional "advice and consent" of the senate that is required for formal ratification of treaties. In short, the president can decide what law must be passed without ratifying it by the senate. But this kind of agreements, without the senates's consent is still legally binding so long as the agreement itself is not illegal with regards to the laws of the congress.</span>