The growth and development of harmony in western classical music would not have happened without the development of (choose the best answer) Group of answer choices
musical notation
unison singing
the printing press
polyphonic singing

musical notation

Explanation:

The musical notation, in musical terms is a set of symbols which show musicians or singers how to perform a composition.

It is important because it informs the musician the notes to play, rhythm to use, even timbre and other information.

Therefore, the growth and development of harmony in western classical music would not have happened without the development of MUSICAL NOTATION

Right choice:

2. The Monroe Doctrine permits the United States to intervene actively in the affairs of Latin American nations.

Explanation:

Theodore Roosevelt´s actions and policy in Latin America are known as the "big stick" because he actively intervened in the affairs of Caribbean and Latin American nations. He supported the movement that proclaimed Panamanian independence from Colombia because it facilitated the contruction of the canal. His administration also acted to make sure regional countries pay their debts to foreign creditors, fearing European intervention using that as a pretext. The regional foreign policy of Roosevelt is also defined as the Roosevelt Corollary to the Monroe Doctrine.