what are the two constitutional principles that madison is referring to in the above passage from the federalist papers?

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

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.

answer; role- taking;

answer; speaker;