Answer:
A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called cogs), which mesh with another toothed part to transmit torque. A gear may also be known informally as a cog.
Answer:On April 12, 1861, just before Federal supply ships could reach the ... Abraham Lincoln struggled to contain the “fire in the rear” during the Civil War.
Explanation:
Amazon is the correct answer
