Refer to the map below to answer the following question: A map image of ancient China is shown. The region is divided into sections. The map shows the population change over a period of time in China. In the northeast, the population has decreased. In the northwest, the population has increased slightly or remained the same. In central and south China, the population has increased considerably. In the southeast, the population reached the highest level of increase.

What factors explain the major increase in population in half of China and a much smaller change in the other half?

an invasion from the north and rich farmland to the south
an invasion from the south and rich farmland to the north
overland trade and urbanization
seagoing trade and urbanization

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.

tea which is where the whole thing about dumping it in the ocean came from