First one is c, and the second one is b.
Reduced dependence on nonrenewable resources
Our dependence on fossil fuels has actually increased dramatically as more and more people own vehicles. Vehicles are becoming more efficient, but with so many on the road at once, we're burning through our nonrenewable resources fast. It may not happen on our lifetimes, but we'll run out eventually and unless we find a better source of energy by then, we'll be in a bad situation.
<span>Between April 1861 and April 1865, an estimated 1.5 million troops joined the war on the side of the Union and approximately 1.2 million went into Confederate service. An estimated total of 600,000 were killed in action or died of disease. More than twice that number were wounded but survived at least long enough to muster out</span>
<span>The nation's largest railroad center was found in Chicago. Chicago is considered as the most important center of railroads in North America. Chicago has been the most significant interchange point of commercial transportation between the nation’s great railroads.</span>
<span>"D. He was elected unanimously and had the universal respect of the country" is by far the best answer. It was pretty much a given after the Revolution that he would become President because he was so loved by all. </span>