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.
Answer:
Worked together to build war supplies for the Allies
Explanation:
During World War II, American industry and government "worked together to build war supplies for the Allies."
World war two which lasted between 1939 to 1945, had the United States of America joined the war later. Before and after entering the war entirely, the country, through its industry, was the primary source of producing war supplies such as ammunition, weapons, and other supplies to Allies to combat the Germans and their Alliances in Italy and Japan.
Roman empire fell leaving many small kingdoms to arise. Over time, one kingdom, Wessex, grew stronger than the others and conquered the other kingdoms. Wessex unified forming England into a single nation in the 1800s.
<u>Explanation:</u>
In the early 1700s, England then unifies with Scotland, Wales, and Northern Ireland to form Great Britain.
In 1707 ,the United Kingdom of Great Britain came into being as the results of Acts of Union being passed by parliaments of England and Scotland to ratify the 1706 Treaty of Union and to unite the two kingdoms.
During<span> the high </span>Middle Ages<span>, the </span>Roman Catholic Church<span> became organized into an elaborate hierarchy with the pope as the head in western Europe.</span>
I think its B, but idk for sure
