The correct answer is:
Many settlers were unable to farm the Great Plains due to the challenges of working with the land.
The Great Plains land was not good for farming since it was very dry and flat. Settlers had to learn how to farm in that soil held together by grassroots, called sod. Settlers had to break through the sod to plant crops. Since there was not a lot of wood, they used sod to build homes.
Answer:
D. Diseases spread more rapidly around the world as human contact
between regions increases.
Explanation:
International air travel is causing pandemics to spread. Today, in many countries, especially in sub-Saharan Africa, educational achievement is threatened by the HIV / AIDS pandemic, which has claimed the lives of many trained teachers, mostly female teachers, in both primary and secondary schools. The immunodeficiency virus existed in the thirties of the last century, but only the construction of large transit highways in the tropical forests of Africa led to the spread of AIDS not only in the tropics, but also in other parts of the world. Ebola, SARS, swine flu - outbreaks of these infections occur again and again, but only since even the most distant points of the planet are connected to global transport networks, epidemics are no longer a locally limited phenomenon.
The correct answer is "conservative". Liberal refers mostly to Democrats, and socialist refers to Socialists.
