Why do people keep time, give a few reasons.

Explanation:

Time is considered by most as an essential that drives a company, enterprise, or a business to succeed. It is highly valuable because it is irreplaceable.

For most of our history, mankind used nature’s clocks—the Sun, the Moon, the seasons—to determine when to get up and go to sleep, when to plant and harvest crops, when to eat, and every other activity that required time. After the invention of the balance spring and the development of clocks, everything changed dramatically.

increasing defense spending.

explanation:

the name of the theory is landmass theory.