The growth of the city populations.
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Here is the quote which clearly shows John O'Sullivan vision of America's mission :"And that claim is by the right of our manifest destiny to overspread and to possess the whole of the continent which Providence has given us for the development of the great experiment of liberty and federated self-government entrusted to us." So, the general idea is to expand territory of America thoughout its n<span>orth part.</span>
The correct answer is D.
Due to the limited amount of oil during the 1970's, the US government passed the National Maximum Speed Law in 1974. This resulted in the creation of the 55 mph speed limit. The goal of establishing this speed limit was to reduce fuel consumption. This law would later be modified to let drivers go up to 65 mph.
Answer:
Pyramids
Explanation:
The Olmec were the first great builders of Mesoamerica culture. The Olmecs developed their advanced civilization in the dense jungle of America. The Olmecs became the first to build pyramids in the region. The pyramids that they created were the centre place for their God. The Maya civilization also built pyramids to place their deities. The pyramids were temple for Gods and considered to be the site of holy rituals.