How many nfl teams will play a regular season game in london for the 2019/20 season?

Which war during rhe mid-1800s weakened the economy of the ottoman empire

This is for my social studies guide and i can answer 21/22 of it perfectly fine. but can someone tell me what the caste system was, and what divisions/classes that it was apart of it?

In what way does loess (yellow silt) contribute to the flooding of rivers? in what way does loess (yellow silt) contribute to the flooding of rivers? question 10 options: it constantly raises the bed of the rivers. it creates new paths for new rivers. it creates earthen dams on rivers. it erodes land around the rivers