New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
It should be both but in equal and balance way that the resources can replenish and used in the future generations. Protecting the resources enables the source to replenish and regain what are lost. Using and extracting enables the society to work and survive. So both are needed to be balanced to work efficiently and effectively.
When a ruler holds total power it is a dictatorship
discrimination
Explanation:
the negro still is not free
The Liberals were defeated is the answer to this.
