Answer:
Pioneers faced many challenges on farming the Great Plains. In particular, they had to find solutions to farming problems such as ploughing the land, growing crops, lack of water, protecting the crops, fire, insects, farming machinery, and extreme weather.
the answer is D, It increased production efficiency of a US cash crop that was in high demand in other nations.
Uhhhhhh i think the answer is 'c' :)
Answer:
The peninsula plays a critical geopolitical role in the Arab world due to its vast reserves of oil and natural gas. Before the modern era, it was divided into four distinct regions: Red Sea Coast (Tihamah), Central Plateau (Al-Yamama), Indian Ocean Coast (Hadhramaut) and Persian Gulf Coast (Al-Bahrain).
Explanation: