In 1919, in new york city, a nursery school was founded under the direction of the bureau of educational experiments and later became a demonstration center for the
a. national association for the education of young children.
b. montessori american society.
c. bank street college of education.
d. merrill palmer institute.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

what the first or next guy says