The banner carried by these east german demonstrations in the autumn of 1989 reads improve politics only with new government explain the meaning of the slogan what idelogy are the demonstrtors protesting agaisnt describe the historcal back ground of his protest

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.

the answer should be monarchy