It was because of the tension between american colonies and brittish colonies
B. The use of words such as "planetary" and "potential" helps establish a formal style.
Answer:
C. Social Media has many positive effects on education, including better communication, timely information, socializing online, learning, enhancing skills, making a career among others. (Tula's International School)
The answer is a.. A colon is best used in advance of a new topic or point, and not in the midst of a sentence, as is the case with the other options.