Answer:
it prevents all sleeper or hideout plays and prevents a shift from occurring.
<u>Explanation</u>:
I inferred this question is referring to <em>flag football </em>game rules. Interestingly, flag football unlike other sports requires a team of seven players with a minimum of 5 to continue a game.
By allowing seven men on the line of scrimmage prevented hideout plays from unknown players, and since only one offensive player could be in motion it also prevented a shift from occurring.
Answer:
>1877: The Great Strike
>1886: The Haymarket Affair
>1892: The Steel Strike
>1911: Triangle Fire
Manifest Destiny, or the belief that it was American's God-Given-Right/ responsibility to expand the United States boarders from the Atlantic to the Pacific. People moved west because there was rich land for farming, opportunities for business or self advancement.