The correct answer is
<span>B. regulation of railroad and grain elevator rates.
One of their main problems was that the railroad companies were taking their land to build without asking them because they worked with corrupt politicians. They also wanted better prices for grain because not having it would ruin their business and they were the main source of food in the country.</span>
Peter the Great's primary goal was to strengthen its government and increase power.
Black powder because without it, we'd have no guns/canons to use as weapons.
Military growth.
The U.S. helped japan by building their economy and education back up but not their military, in fear of retaliation.