The French and the British had a conflict over the Ohio river valley because of the control over fur trading. The Britishers tried to take the business away from the French by offering the locals more goods against fewer furs. The French had originally taken control over the Ohio river valley before the Britishers tried to get entry into the valley. The French did not take this heavy handedness of the Britishers lightly and so they started creating a line of forts. These forts were built to protect the fur traders from the invading Britishers. Many British settlers also started ariving in the Ohio river valley and this was not taken gladly by the French.
Red Scare was the name given to the widespread fear of suspected Communists and radicals in the United States after World War I. The correct option among all the options given in the question is option "A". The first Red Scare happened in the United States during the 20th century and the reason was hyper nationalism in respect to World War I.
