John deere • eli whitney • cyrus mccormick • robert fulton the individuals in the box above all made significant contributions to which of the following?

answer; analytical,creative and practical;

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

what words? are you talking about to complet what sentence

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.