Use the bar graph and your knowledge of Social studies to answer the following question.
The bar graph shows the value of U.S exports to Great Britain, France, and Germany between 1913 and 1921.
What does the graph suggest about the effectiveness of the naval blockade that Great Britain set up to keep essential goods from reaching Germany during World War I?
![Use the bar graph and your knowledge of Social studies to answer the following question The bar graph shows the value of US exports to Great Britain France and class=](https://us-static.z-dn.net/files/da8/c62abe815b99180d18ad833bb3cd763f.png)