Answer:
Body systems are groups of organs and tissues that work together to perform important jobs for the body. Some organs may be part of more than one body system if they serve more than one function. ... Examples include the respiratory system, nervous system, and digestive system.
Explanation:
B, C and D are the correct answers hope I can help!
Ulysses Grant (born 1822- died 1885) commanded the victorious Union army during the American Civil War 1861-1865 and served as the 18th U.S. president from 1869 to 1877. Also he was born in Ohio and fought in the “Mexican-American” War from 1846-1848
Answer: Slavery was profitable
Explanation:
Slavery was very profitable so it turned people into millionaires and because of slavery the south was able to become more profitable with the crops and were able to pick more crops daily
It would be the development in agricultural knowledge/technology
Development in agriculture enable hunter/gatherer society to shift their behavior. Before this, they had to keep moving from one place to another in order to seek food to live.
After the development in agricultural knowledge/technology, the society now can stay in one exact place for a long period of time and relied on agricultural product as their main source food.
After living in one same place for a long time, the needs to build things to accommodate their living start to arise. They start to built several things and repeat the process every year. In the end, large cities were developed from the initially small hunter/gatherer society.