Assuming that this refers to Operation Torch in 1942, where FDR led an amphibious invasion into Morocco and Algeria, the reason that Roosevelt decided to invade Morocco was that it was the least well-defended part of the larger Nazi Empire.
It had the primary objective of slowing Nazi Germany's advance through Africa as well as being an amphibious assault where defenses were not yet well-developed (unlike Fortress Europe).
They never did....
The army decided to invade the enemy's territory under the cover of darkness.
for the weed
Conflicts in the New World infuriated the Spanish, and they decided to send the fleet of ships to attack and invade England.
England could have easily been invaded by the Germans if Hitler had decided to invade England. He chose to invade Russia instead.
The English Channel
No, General Clark secretly entered Algeria by an American submarine which embarked him on 20/10/1942 and picked him up on 22/10/1942. He came to Algeria to plan for the embarkation the Americans did not tell the French about the embarkation because the Americans feared that French may have refused.
Encouraged by his stunning victory at Chancellorsville, Lee decided that the time was right to invade the north deep into Pennsylvania.
In July of 1944 US President Franklin D. Roosevelt met with his senior commanders in Hawaii to decide whether to invade the Philippines or Taiwan. The senior US Navy commanders believed that an invasion of Taiwan would aid the "island hopping" Pacific campaign and the US Air Force could keep Japanese forces in the Philippines isolated. The US Army believed that invading the Philippines was a better way to take control of US military operations in East Asia. President Roosevelt decided that the US had better prospects if the Philippines were retaken. The Japanese had captured the Philippines in 1962.
yes lee did travel to gettyburg After Chancellorsville, Lee decided to invade the North, which led to Gettysburg.