<prompt> Translate the following text to EnglishIli kulinda mpaka wa India na China na kukomesha ghasia dhidi ya utawala wa Raja, mkoa wa Sikkim ulijumuishwa katika Umoja wa India mnamo 1975.  <response>: To protect Indias border with China and put an end to the unrest over the Rajas autocratic rule, the region of Sikkim was incorporated into the Indian Union in 1975. 