Which disease was one of the Panama Canal’s biggest changes?

I believe it was malaria, but correct me if I'm wrong.

Explanation:

The control of malaria was essential for the construction of the Panama Canal. The discovery that malaria was transmitted by mosquitoes had an immense impact on development programs in the tropics.

the neolithic revolution began the era of permanent societies, the reliance on the limited amount of land gave way to political organization and this political organization caused social organization which was divided by amount of property and power.

the neolithic revolution (new stone age) was the first agricultural revolution. it was a gradual change from nomadic hunting and gathering communities and bands to agriculture and settlement. this period is described as a "revolution" because it changed the way of life of communities which made the change.

sentence:

let´s farm and domesticate these animals so we do not be hunting in the woods all the time