Aqueduct is that canal. I'd choose none of the above as the aqueducts was firstly built in ancient Rome. But there's no such option. So the closest option is the first one A.Greeks
Answer:
It led Germany to invade and occupy the rest of Czechoslovakia.
Explanation:
Germany had the goal to annex the fortified land which was around Czechoslovakia and they also knew that if they invaded the territory, it would be easy.
Czechoslovakia had no other option to surrender once they have retreated from their fortress without even putting up a fight, plus they also knew that no country would want to come to their aid because of the Germans.
Munich Agreement was an agreement signed between the British, German, Italian and French governments which let Germany continue to annex Sudetenland in the west of Czechoslovakia.
This agreement made Hitler more confident that France or Britain would not come to the aid of the Czechoslovakians.