Death rates in the 20th century 1 year old. In 1999, at the end of the century, the infant mortality rate in the United States declined more than 90% to 7.2 deaths per 1,000 live births. Similarly, maternal mortality rates declined almost 99% to less than 0.1 reported deaths per 1,000 live births. There are a variety of causes for this steep decline in death rates in the 20th century: Despite these tremendous decreases in infant mortality and maternal mortality, the 20th century experienced significant disparities between minority death rates compared to death rates for white mothers. In the 1900s, black women were twice as likely
New Jersey in the 20th century New Jersey in the 20th century New Jersey in the twentieth century underwent many changes. New Jersey's position along the Atlantic Ocean made it a prominent part of both of the World Wars. Despite rising in the Roaring Twenties, New Jersey's economy slowed with the start of the Great Depression. It also became a site for Nike missile batteries during the Cold War. In the 1960s, several race riots occurred following the start of urban decay. Through the 1970s, urbanization increased again, and these problems slowed down. The Standard Oil Company of New Jersey was a large integrated oil producing,