In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
In 1914, a war began in Europe which engulfed the entire world. The damage (21) ___ by this war has no precedent in history. (22) _____ the earlier wars, the civilians populations were (23) __ not involved and the casualties were mostly (24) ___ to the warring armies. The war (25) ____ began in 1914 was a total war in which all the resources of the warring states were mobilized. Select the most appropriate option for blank No. 21

Options

A. made
B. caused
C. generated
D. began

Answer

B

Explanation

(b) caused
Cause- make (something, especially something bad) happen. make- form (something) by putting parts together or combining substances
Generate- produce or create.
Begin- perform or undergo the first part of (an action or activity).
Option (b) is fit to the context of the sentence.