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.
<span>The correct answer is B. the concept of Manifest Destiny through expansion. The US believed that it was their destiny to spread all the way to the western shores so they naturally wanted to annex Texas and New Mexico as well. They also wanted California and Oregon Country which would ensure that they are spread from coast to coast.</span>
Tuareg are Muslims but they believe in some rituals that Muslims did not believe. They believe in spirits and the Tuareg women did not use Hijab which are worn by Muslim women.
The answer to the first unknown is "3 or more" while in the second unknown is "no more than two". Hence, we have the complete sentence as in the year 1930's of Americans who were polled reported that the ideal number of children was 3 or more. While in the year 1990's, Americans who were polled reported that the ideal number of children to have is no more than two.
I think it's D. Hindu- Arabic Numerals