Britain entered World War I in 1914 to honor a treaty that promised to defend Belgium and to fulfill an alliance with France and Russia. The Germans attacked Liege, Belgium, in the first battle of World War I, and then marched on to attack France.
I'm assuming by "war" you mean World War I
The correct answer is c : Passed laws
World War I affected the worldview of many Americans in a negative manner, showing that America helped out tremendously in the last year of the war. But as a result of the creation of the League of Nations and Wilson's push towards United States involvement in world affairs, many felt that we as a country wanted to focus more on domestic issues and thus the United States was never involved in the League as the Senate failed to ratify the treaty. Athletes became popular during this time period as the media and people glorified them to an extent with the example of Babe Ruth especially, along with people like Charles Lindbergh becoming a American legend after flying solo nonstop from New York to Paris with his own aircraft "Spirit of St Louis". The media put them on a pedestal as a result.
The answer is A, the king failed to tax the colonists