Why is 2.1 the replacement fertility level?

Why is 2.1 the replacement fertility level? Replacement-level fertility: Total fertility levels of about 2.1 children per woman. This value represents the average number of children a woman would need to have to reproduce herself by bearing a daughter who survives to childbearing age. What are the implications for a country if its fertility rate […]

Why did Marbury sue Secretary of State James Madison?

Why did Marbury sue Secretary of State James Madison? The U.S. Supreme Court case Marbury v. Madison (1803) established the principle of judicial review—the power of the federal courts to declare legislative and executive acts unconstitutional. Marbury sued the new secretary of state, James Madison, in order to obtain his commission. Why did William Marbury […]

When was the seed drill invented?

When was the seed drill invented? The seed drill was invented in China in the 2nd century BCE and introduced to Italy in the mid-16th century. First attributed to Camillo Torello, it was patented by the Venetian Senate in 1566. In England, it was further refined by Jethro Tull in 1701. What are some of […]

How did the discovery of oil impact Texas?

How did the discovery of oil impact Texas? The oil industry brought opportunities to Texans. Texas became the center of oil exploration and production in the nation. Many rural areas grew into cities. New types of jobs were created, and people had more time to enjoy leisure activities such as baseball. How the oil industry […]

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