During World War II itself, German troops crossed the borders into numerous countries, both in Western Europe and in Eastern Europe (not to overlook their North African campaign). Perhaps the most significant border-crossings occurred in September of 1939, when the war began after Germany violated the Polish border, and in June of 1941, when Germany crossed the border of their "ally," the Soviet Union, and thereby ensured their ultimate defeat in the war.
Poland :<
German troops crossed through Belgium in an attempt to flank the French forces lined in trenches along the border.
Poland, they stepped over the borders of Poland, triggering a war as Germany has already taken most of Europe at the time and this resulted in thousands of deaths.
The German army crossed the Danish border on April 9, 1940 by land, sea, and air.
Germany's annexation of Austria was a violation of the 1938 Munich agreement. This occurred when German military tanks crossed the Czech border on March 15, 1939.
Poland :<
WW2 began when German troops invaded Poland.
German troops crossed through Belgium in an attempt to flank the French forces lined in trenches along the border.
During World War II itself, German troops crossed the borders into numerous countries, both in Western Europe and in Eastern Europe (not to overlook their North African campaign). Perhaps the most significant border-crossings occurred in September of 1939, when the war began after Germany violated the Polish border, and in June of 1941, when Germany crossed the border of their "ally," the Soviet Union, and thereby ensured their ultimate defeat in the war.
Because German troops had crossed the border into Belgium, contravening a longstanding treaty that guaranteed Belgian neutrality.
German troops invaded Poland, so the Polish border.
The army of Nazi Germany crossed the southern border of Estonia on 7 July 1941. Estonian capital, Tallinn, was conquered by German troops on 28 August 1941.
Poland
Poland, they stepped over the borders of Poland, triggering a war as Germany has already taken most of Europe at the time and this resulted in thousands of deaths.
The German army crossed the Danish border on April 9, 1940 by land, sea, and air.
When Germany first tried to invade France they sent troops to the German-France border and the France- Belgium border to fight the incoming of the SS
The sentence should be: You crossed the Cambodian border. In that instance, Cambodian would be the adjective, as it is describing the noun which is border.