The Early Modern Period, spanning from the 1500s to the 1800s, was a period of great change a globalization within the world.
This sentence looks like it may need work especially: "of great change a globalization within the world" that part doesnt make too much sense.
IMO: dont use interacting twice, thry to find a synonymUp until then, most of the world cultures were separate a rarely interacted with one another, only occasionally interactingby distant slow trade routes.
missing a comma at the end of the appositiveThe wealth of the Americas and improved shipping practices, along with a general feeling of imperialism greatly changed the course of world history forever.
Good, I'd just get rid of "Which were also" making it just "Joined by"Of the many different economic and social practices that changed, the trade of silver vastly affected socioeconomics in in nearly all parts on civilized world. Much of this wealth came from Spanish mines in the new world, which were also joined by mines in Feudal Japan.
slightly repetativeThe silver mined in these places created great wealth and trade for those involved. The huge volume of newly mined silver in the Early Modern Period caused great changed in both society and the economies of all the nations involved in the new global trade network.
Many changes were felt in far reaching places such as China where it destroyed the barter system, and over all, the silver put western powers to the forefront of the new global market.
Good.
Overall pretty good, didnt notice any outstanding flaws, only that in the first sentence and the second to last part being slightly repetative, but who knows, your teacher may prefer the bs we all prop up our essays with