The main argument made in the passage about Timur's empire is about developing farmlands and railroad tracks which contributed in the world war period.
Explanation:
Railroads will be a major advantage in transporting many things to the battlefield, trains could carry things like food, armor, artillery and etc. This gives a huge advantage to one side by get supplied easily without making it a big hassle, they helped contribute to an advantage on one side of a war because it was an easy way to grow food for the soldiers. Farmlands could produce a lot of food especially by keeping away soldiers from starving of food. Farmlands need not to worry about the food in feeding the soldiers
B) helped create the strong, individualistic American spirit
Africa has the most wonders
Spain colonized Florida and Rio Grande Valley because Spain wanted to protect its colony in Mexico from other Europeans. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has helped you.