Answer:
1. The census is the US government’s largest peacetime operation. At its peak for the 2010 census, more than one million census workers counted roughly 310 million people in some 120 million households.
2. Since the first US census in 1790, certain segments of the population have been consistently under reported. They also often have a vested interest in avoiding the watchful eye of the government.
3. Traditionally, various agencies of the US government have backed away from aggressively pursuing and deporting illegal immigrants ahead of the official census count day. The Census Bureau allocated an additional $250 million for the 2010 census for advertising and outreach programs to help boost participation rates in the traditionally under reported groups.
The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.
Economic freedom<span> or </span>economic liberty<span> is the ability of members of a society to undertake economic actions. </span>
The earliest settlement on the coast was either Roanoke or Jamestown. Ht pilgrims were in search of a life where they could worship freely away from the kind's oppression. The colonists of Jamestown, however, were merely searching for gold.