Which state is not in the Rust Belt?
California
In the early and mid-20th century, states like Ohio, Michigan and Indiana made up what was called the Steel Belt due to the concentrated presence of industrial manufacturing in the area. Over time, however, increased automation and outsourcing led to a manufacturing decline and a subsequent loss in population and tax base. Meanwhile, other states with more diversified economies, like California, have been more successful at weathering deindustrialization. Sources: MSNBC, Ohio History Connection

The Rust Belt is a term for the region straddling the upper North-Eastern United States, the Great Lakes, and the Midwest States, referring to economic decline, population loss, and urban decay due to the shrinking of its once-powerful industrial sector. The term gained popularity in the U.S. in the 1980s.
Related posts:
Who was the first president of the united states to live in the white house? - 2017
In 1578, a high lama of the Gelug school was given the name “Dalai Lama.” What does the Sino-Mongoli...
Ashton Kutcher talks hooking up with Mila Kunis - 2017
What is true of a villanelle? - 2020 | 2021
What famous style of poem uses iambic pentameter? - 2020 | 2021
What is the 7th letter in the alphabet riddle