Click on the item below that contains a comma splice. choose one answer.
a. by 1914, over 100,000 mennonites lived in rural communities in russia, by 1960, these communities had been destroyed.
b. by 1914, over 100,000 mennonites lived in rural communities in russia, but by 1960, these communities had been destroyed.
c. by 1914, over 100,000 mennonites lived in rural communities in russia; by 1960, these communities had been destroyed.

Example A

Explanation:

A comma splice (or a comma fault) is a frequent mistake made when using a comma to join two independent clauses without the use of a conjunction. The last two options are correct, as in example B we have a coordinating conjunction but following the comma, while in example C we have a semicolon properly linking two independent clauses that are related in thought.

its many islands, high mountains, and remote peninsulas isolated population centers.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.