How are states governed?

All state governments are modeled after the federal government and consist of three branches: executive, legislative, and judicial. The U.S. Constitution mandates that all states uphold a “republican form” of government, although the three-branch structure is not required.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.