IWhich invention created during the Second Industrial Revolution was the most effective, both during the first few years it existed and in the long term?

Combustion engine

Explanation:

The combustion engine were some of the most significant and very far technologies of the Industrial Revolution. This was first presented in 1878 and was propelled by gas and air, making it unsuitable for large public use. During the Industrial Era, the combustion engine was perhaps the most efficient, both in the early years and even in the long run.

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

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

answer; win because bill had a legal right to drink alcohol;