Justinians attempts to reconquer western territory left the east open to attacks by Persians and Slavs.
Justinian had come to the throne in 527. War with the Persians began in 540 and continued until a 50-year peace agreement was signed in 561.
The Sclaveni (as the Slavs then were known) gave Justinian problems in the Balkan region.
Enslave the Natives. That is a big one.
Eli Whitney was the one with the cotton
James Watt was the one with the coal and water
And Jethro Tull Was the reduced number of workers to plant crops.
Parlamento es un grupo de personas en cual se toman desiciones importantes sobre los países