How, according to vergerius, do history, moral philosophy, and eloquence complement each other?

According to Vergerius the moral philosophy gives us an insight into the secret of the true freedom while history gives us the examples of what is said by philosophy, it teaches us lessons on what not to repeat and gives us examples of how we can overcome certain problems. Eloquence in turn helps us show the truth of philosophy to other people.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.