I believe the correct answer is B.) Springtime of the peoples. Also known as the year of revolution. The location was Western and Central Europe, which consisted of many of the countries listed above.
The period of revolutions in Hungary, France, Austria, Switzerland, Spain, Germany, Italy, Denmark and Romania was known as the "Springtime of the Peoples", also known as the "Revolutions of 1848", "People's Spring" or the "Year of Revolution". These revolutions were basically by the bourgeois section of the nations, aiming to remove the old ways of monarchy and the creation of a new independent nation states that will be free of any supreme ruler. The want to have a more democratic form of government and freedom of the press were among some of the reasons of this uprising.
