I am not completely sure but I think it's 'agrarian'.
The correct answer is A. Exploration was limited because there were no rivers on which to travel Into the Interior.
Explanation:
In the excerpt, the author explains in the map of South Africa there are long rivers; however, these rivers are dried or completely dried most of the time, this is explained in "you find either a waterless bed or a mere line of green and perhaps unsavory pools."
Moreover, this feature of rivers makes them useless in regards to transportation, which caused the interior area of the country to be unexplored for a long time. This is explained in "People could not penetrate it by following waterways". Also due to this, explorations occurred by land but this limited the exploration. According to this, one effect of rivers was "Exploration was limited because there were no rivers on which to travel Into the Interior."
The answer is D) Constitutional Monarchies.
The scientific method <em>revolutionized the study of human society</em> during the Gilded Age and onward; sparking curiosity within the members of society, and encouraged people to <em>gain knowledge</em>, discover and investigate; causing them to question old credence, and starting to prove them wrong, thus <em>leading to technological advances</em>, and large scale production methods, the inception of intellectual movements and favored <em>drastic reforms in education</em>, thus bringing opportunities to other scope of the population, because racial, ethnic, religious, gender and socioeconomic inequalities still abounded, so it also inspired some reformers to address those inequities in some form.
The Homestead Act was a government intervention would most likely cause problems for inhabitants of the region marked 'Indian Territory"
