Match the topics 1-6 from the list to texts A-E. One topic is not needed. This is the information about the river

Match the topics 1-6 from the list to texts A-E. One topic is not needed. This is the information about the river usage:
A. The Potomac River was heavily polluted in the past due to mining and agriculture, and was called a "national disgrace" by President Lyndon Johnson. Abraham Lincoln tried to escape the smell of the river in the summer.
B. The Colorado River is a famous tourist destination, flowing through eleven National Parks and surrounded by canyons. People from all over the world visit the Grand Canyon and go on rafting trips.
C. The Rio Grande River serves as a natural border between the United States and Mexico. After agreements, the two countries share the river's water.
D. The Missouri River has been used for transportation for thousands of years and was the main way of western expansion in the United States during the 19th century. Native American tribes have lived on its banks and travelled along it with their bison herds.
E. The Mississippi River is the largest river in the United States, flowing from Northern Minnesota to the Gulf of Mexico. Native Americans have lived along the river for thousands of years.