Read this introduction to an argumentative essay about government. An effective system of government protects its citizens. The purpose of government is to ensure the safety of the nation and its residents. While other concerns such as economic growth are important, a government’s primary duty is to keep its people safe. Without the concern of defense or self-protection, individuals are able to live in security. Which sentence states the main argument of the essay?

While other concerns such as economic growth are important, a government’s primary duty is to keep its people safe.

Explanation:

The argument shown in the question above reinforces the government's responsibility to maintain the safety of its population, putting as its main argument the fact that population security must be the main objective of the government and must be considered more important than any other, more important than , even the country's economic growth.

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)