Explain, with details, what made China a wealthy country.

The answer lies in China’s five-year plans. Inspired by the Soviets, the Chinese focused on heavy industry and slowly developed their economy. With each subsequent five-year plan, the government improved the country’s industrial and service output and liberalized the economy.

Industrial Growth
Like most countries looking to develop their economies, China's first step was to build up its heavy industry. Today, China is the world's leader in manufacturing and produces almost half of the world's steel. China's mining industry extracts coal, iron ore, salt, oil, gas, and gold.Jan 23, 2020

The shaping always moves forward. even if the progress breaks down you have to take a step back before moving forward again but there is no such thing as backward shaping

The answer might be c