20. (3 pt) which russian ruler enlarged the russian empire and built a magnificent cathedral but ruled cruelly? a. ivan iii, the great b. basil, the feared c. ivan iv, the terrible d. vladimir, the victorious

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.

option a

explanation:

to cleberate the end of their war