"technological and military changes led to the unexpected rise of europe and the birth of modern imperialism beginning in the late fifteenth century"
true/false

True.

Explanation:

There were many reasons for the rise of Europe in the mid-fourteenth century which started with the encounter of the Europeans with the outside world. Europe has entered an era of exploration that has given rise to new, increasingly complex ties with territories and populations around the world. Stable political conditions, technological innovation in shipbuilding, navigation, etc, a thrust of adventure and lure of profit combined to give a face to European imperialism.

no questions on whether they are allowed that right

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.