The mood is conveyed by the choice of words as in simple casual speech or difficult, more formal words, the tone of the writers is something to consider also
Period at the end then its correct
Imperialism had consequences that affected the colonial nations, Europe, and the world. It also led to increased competition among nations and to conflicts that would disrupt world peace in 1914. ... Meanwhile, Europe's Commercial Revolution created new needs and desires for wealth and raw materials.!!!!!! :)
The answer is C. if the underlined word is "get"