Which of the following was the most important economic activity in the roman empire?

After the success of the sputnik launch, the united states feared that they would never be able to launch their own satellite, the ussr had used technology developed by the united states, the soviets had superior nuclear capabilities, that any future us satellites would not be as successful.

By the time died in 1725 russia was an important european state

What was one position of the dawes act of 1887