The Witchcraft of Salem Village

The first teachers in the United States were students who did well in school and were hired to teach other students. Today, teachers must have college degrees to teach. Schools today are larger than those in the past and often have several separate ...

Doctors help people stay healthy. When people get sick, doctors help them get well again. Today, doctors use many complex instruments to treat people. Long ago, doctors had few instruments and did not know as many ways to help people get well.

For over two hundred years, individuals have protected and served their communities as lawmen. Today, people who help enforce the law are called police officers because both men and women can serve in the police force.

Firefighters are community heroes and their job is to help wherever there is trouble. Firefighters must be well trained, wear protective uniforms, and ride on trucks that are equipped to fight fires. Firefighters and the equipment they use today hav...

The Great Fire of 1871 was one of the most colossal disasters in American history-with damage so profound that few people believed the city of Chicago could ever rise again. By weaving personal accounts of actual survivors together with careful rese...

Tracing the history of African Americans in Tulsa's Greenwood district, this book chronicles the devastation that occurred in 1921 when a white mob attacked the Black community. News of what happened was largely suppressed, and no official investiga...

Farmers are important because they grow the food that people eat. Modern equipment enables farmers to grow more food for an ever-increasing world population.

Fishers have provided food for thousands of years. Long ago, fishers had to fish close to land and used simple fishing tools such as knives, hoes, and spears. With the use of modern boats and fishing equipment, today’s fishers fish far out in ...

Many years ago, doctors trained nurses to help them treat people. Today, nurses go to school to learn about medicine and about how to help people when they are sick. Nurses perform many of the same duties as doctors.