I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
Anvil is a tool used by blacksmiths, and it is the surface on which the object is placed which is worked on with a hammer- stroked with a hammer.
von Bülow meant (in 1899) that Germany will either have to colonize others ( be the hammer) or it would have to risk being colonized itself (being the anvil), hence showing the need for Germany to participate in colonization.
The colonists of America had very few opportunities to influence the government of England as they did not have any representation in the British Parliament (which was one of the factors that motivated the Revolutionary War). Because of this, they usually influenced the government through economic measures (ex. by disturbing trade) or through illegal means (ex. rebellions). On the other hand, there are several ways in which people today can influence governments. For example, by writing letters to their representatives, voting in local and federal elections, running for office and lobbying for a cause.
Answer:
In the Kansas-Nebraska Act, popular sovereignty would decide whether a territory allowed slavery., A belief that ultimate power resides in the people.