Answer:
which one I don't see it anywhere
Travelling is a great way of spending your time because it enrichens your personal experience. If you travel with a tourist agency (or even if you travel without one) you're helping the tourism of a certain area/country. With helping them, you're also creating more money for them which means they can invest more money into creating even more desirable touristic adventures. This circle can then be repeated multiple times :)
Common Sense helped persuade American colonists that they could successfully wage a war for their independence.
This is a strong concluding sentence because it takes some of the information from the beginning of the paragraph and wraps it up nicely in a way that is clear and concise.