The Tornado is the most common features of the U.S than any other feature as they get more than 1200 annually four times than Europe that is a violent storm and it occurs east of the rocky mountains as those of the Plains, and the Midwest, and the Mississippi Valley of the south parts of the United States
<u>All areas that are vulnerable to tornadoes and are called the Tornado Alley and have areas that stretch from the Texas to Canada with its centers in the Oklahoma, the Kansas and the northern Texas.</u>
At the beginning of the 20th century, Bosnia went through a crisis because because the Austro-Hungary empire decided to annex the country, even though it was officially under Ottoman rule.
