An old problem the national assembly still faced was

Rising debt and poverty

Explanation:

The National Assembly was a legislative body that arose with the French Revolution. It existed from June 17 to July 9, 1789, and it was formed by members of the Third State. The National Assembly represented a step towards democratic rule. However, it still faced many problems such as rising debt and poverty, which were problems that existed before the Revolution.

a countries leader should be motivated by the common good of the country.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.