What unforeseen challenges might the US face after the collapse of the Soviet Union?

Emboldening autocrats and entrenching corruption across the region.

He had trouble improving the economy, economic problems lead to political crisis, and there was war in Chechnya.

Explanation:

I hope it helps.

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years