Answer:
A bicycle also called a paddle cycle bike or cycle is a human powered moter powered assited paddle driver single track
1830's-1840's is when The Adventures of Huckleberry was set
Stress, it is the main feature of the sentence
1. The flag today has 50 stars, when in 1777 there were only thirteen
2. You should burn an unusable flag as a sign of respect, rather than throwing it away