The Mexican military at the time was poorly trained and equipped, facing a much more powerful and technologically advanced American military force. Despite their efforts, they were unable to successfully defend their country against the American invasion, leading to a humiliating defeat.
Rome
the Greeks were unable to withstand the Philip's invasions because they were alot stronger than them and they had more power.
The first example is the Japanese invasion of Manchuria. The League of Nations disapproved but had no means to stop the invasion. Mussolini then invaded Ethiopia in 1935, and the League of Nations was unable to take action against him. Finally, in 1936, Hitler began to remilitarize Germany, and there was no reaction from the League of Nations.
European overlords were unable/unwilling to respect/honor/utilize existing Cherokee names.
Both Napoleon and Hitler thought they would easily invade and conquer Russia. Both failed to appreciate the vastness and distances involved, which made supplying the front lines difficult the deeper they penetrated. Neither dictators appreciated the stoic defence of their country the Russian people were prepared to perform. In each case, as the Russians fell back, destroying any property and food the advancing invaders could use, the notorious Russian winter struck. Both the French and later the Germans suffered badly. They were unable to withstand the Russian counter-attacks. The Russian forces were able to function despite the weather.
cause hitler was against Jews and thought of them as savages and treated them as that by making them work and killing them
Hitler was unable to cross the English Channel to attack Great Britain; attacking the US across the Atlantic Ocean was out of the question.
German troops were unable to maintain sufficient supplies.
Santa Anna is the Mexican military leader who was unable to stop the invasion from the United States. He served as the 8th President of Mexico.
That territory was Florida, which the Spanish were apparently unable to control.
Hitler attempted to defeat Britain by attempting to gain air superiority over Britain. Hitler conducted a bombing campaign that began by attacking shipping centers and coastal shipping convoys and eventually moved to attacking areas of political significance and terror bombing.