The answer is
A. By leading settlers across the Appalachians.
Hope this helped :)
The correct answer is - d. Each answer shown is correct.
The formation of a civilization is a process in which multiple things are included. The basis for it is the agriculture, as it enabled the people to start settling in one place. But in order for it to be classified as a civilization, certain other things have to appear, things that would enable progress, development, higher level of thinking, architecture. The basis for these things to occur are the building of the planned cities, that already showed a level of advancement, as well as the written language, which is the trait that contributed the most to the development of the people, thus becoming a civilization.
Based on my information, I actually believe that it really may be the first option. T<span>he influence and power of the Catholic Church</span> were the leading and main reasons for social unrest and demands for reform in Latin America from the 1950s to the 1970s? And sense the were reforming, this would be the reason for the social unrest that they had.
<span>In 1994, the United Nations sponsored a conference in Cairo to discuss "global warming". :)</span>
