Yes, the correct and best option is:
<u>to </u><u>show </u><u>that </u><u>militaries </u><u>from </u><u>all </u><u>over </u><u>the </u><u>world </u><u>have </u><u>used </u><u>bicycles.</u><u>.</u><u>. </u>
Answer:
Because he is so incredibly shy, we introduced Greg, our best friend, to Sue.
No its not unless you claim that its your own and use it word for word.