The answer is B, the end of reconstruction. :)
It was known as glasnost
It has been used in Russian to mean "openness and transparency. this policy, aided by perestroika which means restructuring,
<span>
introduced a series of reforms designed to give new freedoms to the
people, including greater freedom of speech. The press also became far
less controlled, and thousands of political prisoners and many
dissidents were released.</span>
That the government had no control compared to the states
The correct answer for the question that is being presented above is this one: "Rebates to large companies!" The railroad practice did reformers call on governments to legislate in the late 1800s, with minimal success is that Rebates to large companies!
He worked on the telescope by improveing it and he studied astronomy