This battle was the bloodiest single day in american history. general mcclellan was able to ambush general lee's forces because he found lee's marching orders.

The Battle of Gettysburg

Improvements in maritime technology as well as innovative understanding of monsoon winds roused exchanges alongside maritime directions from africa and asia. The example of two maritime technologies are lateen sail and dhow ships. In addition to world history, the numerous kinds of exchanges that took place between 600 BCE and 600 CE are trade goods, individuals, technology, religious and cultural principles, food crops, house-trained animals and disease pathogens.