Political science is fundamental to understanding your rights and responsibilities as a citizen and to understanding international politics and law. These courses will introduce you to political concepts, political behavior, policy issues, and structures of government within societies and among nations.
Respect be use that is the theme
If you are looking for a sentence in that paragraph to support the main idea, I think it would be "All it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. The main idea is basically that walking is a good and easy way to begin exercising, and that explains it.
This is called word analysis.
When you are trying to figure out what a particular word means, you are obviously going to analyze it. Maybe you know what its root means, or you can deduce the meaning based on its prefixes and suffixes. You will probably take into consideration the context and neighboring words in the sentence as well in order to analyze it.
