The emerging Russian kingdom adopted and modified the religion of Orthodox Christianity, which because the major religion of the country until the Communist Revolution in 1917.
I believe the answer would be D (all of the above).
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.
It was called the Jamestown colony