Which advance best completes this list? The invention of the waterwheel
The rise of permanent settlements
O The development of sanitation systems
The use of the chariot
w

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.

they spoke the dravidian language. hope this , correct me if im wrong

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.

b.unemployment reached nearly 25 percent.