Which Olympic Games were held in London in 1948?

The London Games of 1948 were indeed the Summer Olympics, marking a significant event in Olympic history as it was the first Olympiad after World War II. Following the war, many nations were eager to reestablish international connections and foster goodwill through sport. The 1948 Summer Olympics showcased a spirit of unity and recovery, featuring many countries participating despite the challenges of the post-war environment.

The other options relate to different types of Olympic events. The Winter Olympics occur in different years and locations, focused on winter sports, while the Paralympics are a separate event for athletes with disabilities that were first held separately from the Olympics in 1960. The Youth Olympics are also distinct, designed for younger athletes, and were first introduced in 2010. Thus, the correct choice confirms the historical significance of the Summer Olympics held in London in 1948.