The term used to describe the willingness of britain and france to allow hitler to repeatedly break provisions of the treaty of versailles is

Appeasement.

Explanation:

Appeasement was a foreign policy during the 1930s by British and France that allowed Hitler to expand German territory without any restriction. This policy also meant to leave both nations like France and Britain alone. Hitler started to increase his territories by invading neighbouring nations.  Hitler also increases Germans military capacities which included fighter airships along with ships, submarines, tanks to show their strength and power.              

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.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on