YES!
The trade winds
Maize (corn), tobacco, and indigo were three of the biggest American exports to Europe when America was first discovered.
the middle mens were the europeans China's
For wealth (since Columbus brought back gold many explorers would search the "new world" for more of it) but also for gain of land and power.
Some theories have it that it was present in ancient Greece, and already in Europe before the New World was discovered by Europeans, while other theories claim that it was a New World disease brought back to Europe in the 1400s.
Europeans brought smallpox with them when they travelled to the Americas and it killed many people there. They brought tobacco back to Europe and tobacco has resulted in many deaths too.
When Christopher Columbus sailed and "discovered" America, he also discovered corn and brought it back to Europe.
The objects that the crusaders brought back from the crusade(s) were highly needed by the Europeans. This encouraged the trade, and also the use of money.
Chocolate was first used by the Aztecs and when the Europeans came back to the New World they brought chocolate back with them. At first it was only used as a drink, but in 1830 it was made into candy.
From Europe, they brought textiles, run and manufactured good to Africa. From Africa, they bought slaves or simply took people and made them slaves, and brought them to the Americas. From the Americas, the Europeans brought back the sugar, tobacco and cotton.
no
The objects that the crusaders brought back from the crusade(s) were highly needed by the Europeans. This encouraged the trade, and also the use of money.