Use the passage to answer the question. The appointed day has come -the day appointed by destiny- and india stands forth again, after long slumber and struggle, awake, vital, free and independent. We rejoice in that freedom, even though clouds surround us, and many of our people are sorrow-stricken and difficult problems encompass us. -Jawa Nehru, august 14 1947

At the time this speech was given, what was the most serious of the "clouds" referred to by Nehru

1.) the assassination of Gandhi

2.) conflict caused by partition

3.) British rule over India

4.) Sikh separatism