Checks and balances is the answer.
Answer:
<em>b. an Operational Definition</em>
Explanation:
An <em>operational definition is the expression of conceptual model (or procedural statement) used to define the terms of a method required to determine the essence of an objec</em>t or an occurrence and its characteristics including period, volume, spatial expansion, chemical properties.
Giuseppe Garibaldi is best known for his military leadership in the unification of Italy in the 19th century.
Answer: Richard Henry Lee
Explanation: Richard Henry Lee was a Virginia delegate who on June 7, 1776, in the second Continental Congress introduced the resolution which proposed independence for the American colonies. This came to be known as the Lee Resolution. The resolution contained not only the declaration of independence but two other parts to make it three. The other two are a plan to form foreign alliances as well as a plan for confederation.
He resolved that the colonies become independent states absolved of any and all allegiance to thr British crown and that all political connections between them be totally dissolved.