When a countries economy is strong it makes the country powerful, countries with low economy always find themselves borrowing from countries with stronger economy and there by making such country or nation subject to the nation with stronger economy.
Those countries with strong economy controls the world's political and religion system.
In other for a country to grow in all area's, it's major focus should be growing her economy, when this is achieved then that nation will become one of the most powerful nations in the world.
United States, China, Russia and Germany. This aforementioned nation's are seen as the most powerful nations of the world they all have a strong economy, strong economy is the beginning of a powerful nation.
Yeah actually it's very true because economy of a country is dependent on all the developments and projects that are taking place within the country. Now the ultimate impact of these projects are on the economy of that particular country.
That why it's always prioritised to see the economy of the country and predict the current development stage of the country. If you have a strong economic growth then all other major sectors would surely have been working well.