I think its c. or a. but pretty sure its c. sorry i couldnt help
<span>The United States have had a trade deficit over the past two decades because the nation had a persistent trade deficit. Since the 1970s, The United States had entered into a trade deficit, from trade surplus. This started because Japan and Europe started trading and competing with US, in a range of industries.</span>
Bloody Sunday got started when Russian soldiers fired upon a group of peaceful protesters.