During the Ming Dynasty chinese sailors traveled through a 7 ocean expedition.
<span>"Southeast Asia and then on to India, all the way to major trading sites on India's southwest coast. In his fourth voyage, he traveled to the Persian Gulf. But for the three last voyages, Zheng went even further, all the way to the east coast of Africa" -columbia university website</span>
The printing press made by johannes Gutenburg
Answer:
1.) Confuse the Germans with am air attack.
2.) Secure important bridges and roads.
3.) Fly over Normandy and release paratroopers.
4.) Make amphibious landings to attack beaches.
Explanation: