France and Britain had land claims on the Mississippi
They were adding in 1791 and helped push by Franklin and Washington.
In 1850s, the main occupation of the people arriving in Oregon and California is gold mining. Thus, the answer is letter B. In May of 1848, a newsletter proclaimed about the gold mines found in the lands and many people from the neighboring places flocked to the place.
Answer:
Answer. At the point when environment connects with biosphere they centers around on the sources and sinks of green house gases (GHGs) air toxins, specific issues, water and vitality between the world's surface and the climate. The biosphere influences the atmosphere
