Answer:
19 militants associated with the Islamic extremist group al Qaeda hijacked four airplanes and carried out attacks against targets in the United States. Two of the planes were flown into the twin towers of the World Trade Center in New York City, a third plane hit the Pentagon just outside Washington, D.C
The Protestant Reformation was a major 16th century European movement aimed initially at reforming the beliefs and practices of the Roman Catholic Church. Its religious aspects were supplemented by ambitious political rulers who wanted to extend their power and control at the expense of the Church.
The Nullification Crisis was a sectional crisis in 1832–1833, around the time of when Andrew Jackson was president, which has involved a confrontation between South Carolina and the federal government.<span />
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
One global process or series of events in the period 1450–1750 CE that would facilitate cross-cultural exchange could be the Columbian Exchange of those years.
Cristopher Columbus discovered America on October 12, 1492, when he and his sailors arrived at the islands in the Caribbean. Spanish King Ferdinand de Aragon and Queen Isabella de Castille had sponsored the trip of Columbus because they wanted to explore new routes to the Indies and get more richness for the Spanish Kingdom. Columbus' sailors were ambitious and also wanted a piece of the pie and aspire to get some precious metals such as gold, as part of the adventure.
After the discovery of the Americas and the conquest of the most important Mesoamerican civilizations, South American civilizations, and the founding of the North American colonies such as Jamestown, Virginia, the Columbian exchange was the series of trade and exchanges between America and Europe.
Through the Columbian Exchange, nations and their colonies traded raw materials, natural resources, goods, people, culture, and diseases.