I think it's A. The admission of Missouri as a slave state was controversial in the Senate because t<span>he Senate was a Pro-Slavery</span>
The central domestic issues concerned government regulation of railroads and large corporations
The difference is mostly in the amount of humidity. Continental climates usually have cool summers and cold winters and don't have high humidity. Central European is like continental climate except it has humidity because of the way air drifts work. They are similar but the temperature is usually higher.