Why was the town of Picher, Oklahoma, evacuated in 2009? The area's iron, lead, and zinc mines had shut down.
There had been an accident at a nearby nuclear power plant.
Carbon dioxide in the air had sickened many of the town's inhabitants.
A large number of its children had suffered from lead poisoning.

A large number of its children had suffered from lead poisoning.

D.) A large number of its children had suffered from lead poisoning.

Explanation:

Correct on edge 2021

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.