Answer:
Um....hm...lemme see....let's say D. It seems to be the most reasonable.
Explanation:
I believe it's candidates :)
The completion of transcontinental railroads in the United States and Canada
<span>The main features of the 'Romanesque' style of architectture are: rounded arches, massive stone walls, and small windows.</span>
The Roman Republic ended when Caesar Augustus came to power.