Growth in the building of canals was made possible by

The answer is: Improvements in engineering methods.

In order to build a canal, advanced engineering methods are needed to creates dams and locks so we can  stretches the slack water levels of the canals. This would be impossible with traditional engineering method.

Beside that, advanced engineering methods also reduce the time needed for the projects and reduce the cost of building the canals.

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'

apart from being against desegregation, governor of georgia eugene talmadge opposed as well to the work progress administration, an ambitious program of the "new deal" created by president franklin d. roosevelt to overcome the great depression after world war i. talmadge disagreed with welfare spending, job training and organized labor. according to his ideas, he thought the government was spending too much money on this, and he wasn't willing to accept a wage higher than georgia's lower average wage. besides, talmadge strongly opposed to the "new deal" as he thought it had communist ideas.