"actions speak louder than words! " is an old saying that refers to the fact that people's actions—how they act as opposed to what they say—are often testament to their true ethical values.

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.

world bank is the correct answer.