Conquest contributed to growth of different organized empires which contributed to expansion of trade, postal network, road network and administration which was well organized.
There were other empires which contributed to the conquest. For example,
1. Persian empire which linked the west and east, and also cultural diffusion.
2. Athenian empire which kept the pirates away and the persian defeat.
3. Ptolemaic empire contributed to trade lines to be built up and also new ports which were built during that empire period.
The correct answer is C) Spain and Portugal colonized Latin American nations during the 15th and 16th centuries.
At the arrival of the Iberian conqueror, Latin America was not empty. In 1500 the indigenous population was more than 100 million (by 1810 this had diminished to 10 million "by means of civilization") and its level of development was greatly varied: some were living as tribal people; others, as the “Quechuas”, the “Aymaras”, the “Mayas” or the “Aztecas” had constituted high civilizations. During the colonial period, the domination was centered around the Spanish or Portuguese metropolis, coexisting with the local, almost absolute power, of the agent or the landowner. The encounters of the Spanish and Portuguese with the indigenous peoples of Central and South America in the early sixteenth century were to establish a pattern of conquest and subjugation which would persist throughout the colonial period.
I would go with D. Because you have to compare each presidency
The Executive Branch: The President and the Cabinet. The U.S. executive branch is made up of two essential components: the president and the Cabinet he or she selects to represent each of the 15 major departments of U.S. government.