Help me, please lol I'm confused a Lil bit

The chart shows four articles read by the students in a science class

Which shows the best path to find the number of centimeters in 1 yard?

How has the elimination of trade barriers affected the movement of goods among member countries of the european union? a. member countries are able to produce all the goods they need. b. goods can move freely among member countries. c. member countries no longer need to trade with countries outside the eu. d. larger countries are able to import more goods than smaller ones.