Answer:
I believe it would be Age of discovery
Step-by-step explanation:
German Unification- was when Germany into a politically integrated nation and state On January 18 1871 at Versailles Palace's hall of Mirrors in France
Italian Unification was when Italian peninsula in the 19th century had a social movement when the italian peninsula became a single state, Kingdom of Italy
Industrial Revolution - First Industrial Revolution, was the transition to new manufacturing processes in Europe and the United States, in the period from about 1760 to sometime between 1820 and 1840.
Age of discovery- Age of Exploration, is an informal and loosely defined term for the early modern period approximately from the beginning of the 15th century until the middle of the 17th century in European history.
Northwest Africa (the Maghreb) was known as either Libya or Africa, while Egypt was considered part of Asia. European exploration of Sub-Saharan Africa begins with the Age of Discovery in the 15th century, pioneered by the Kingdom of Portugal under Henry the Navigator.