The United Kingdom is a. an advanced economy, and over the past century its rate of economic growth has been higher than that of the United States. b. a middle-income country, and over the past century its rate of economic growth has been lower than that of the United States. c. an advanced economy, and over the past century its rate of economic growth has been lower than that of the United States. d. a middle-income country, and over the past century its rate of economic growth has been higher than that of the United States.

The correct answer is option c. an advanced economy, and over the past century its rate of economic growth has been lower than that of the United States.

Explanation:

The United States has the most technologically powerful economy in the world. American companies are at the forefront of technological advances, especially in computers, pharmaceuticals and medical, aerospace and military equipment; However, its advantage has been reduced since the end of World War II. Until 2014, the United States remained the largest in the world for more than a century.