Fewer workers got sick from malaria and yellow fever.A canal in Central America would make it easier to reach the Pacific Ocean from the eastern coast of the United States.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.
The government created under the Articles lacked the power to tax. And the only way it could get money to pay its debts was to ask states to give funds. But states didn't have to or didn't give enough. So all in all the federal government was pretty weak.
Answer:When transitioning from a mostly rural to a mostly urban society, it is important to keep sustainability in mind. Try to find ways in which the most energy is conserved, which will increase employment and lower revenue and pollution.