Answer: D
Explanation: I just did the quiz and got the answer correct
Answer: Colin Kaepernick knelt during the national anthem in 2016 so he could protest against police brutality in the USA. Kapernik's kneel had mixed reactions. Some positive others negative. People thought that it was disrespectful to kneel during the national anthem. I hope this helped!
Russian troops were mobilized against Austria-Hungary because Russia believed that Germany was hiding under the guise of the assassination of Austrian Archduke Franz Ferdinand to launch a war and protect their powers in the Balkans.