I am not 100% sure but I believe the answer is A
Answer:
google the facts so you can be sure about the facts
Geography is a field of science that deals with studying the earth's surface, climate, continents, countries, people, industries, and resources. It has two branches: the physical geography and the human geography. Physical geography deals with studying the natural environment, its characteristics and how it works while the human geography deals with studying the people and their total interaction with the environment and their culture, history, traditions, and economy.
On May 10, 1869, at Promontory Point, Utah, workers drove a spike that linked two rail lines, one snaking from the East, the other from California, completing America's first transcontinental railroad. This event helped launch an era of economic development that would transform a Jeffersonian society of yeoman farmers into an industrial powerhouse.
