I need both questions answered please

Why did leaders such as siddhartha gautama abandon hinduism to createbuddhism around 500 bce:

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.

Igor stravinksy’s ballet, the rite of spring, featured clashing music, harsh sounds and deliberately ugly dancing. upon its premier, theater goers literally rioted in the seats of the venue. historians argue this moment is a “breaking point” where europe proves it is destined to be plunged into world war i. why would historians make such a claim? a people were genuinely angry that someone so bad at composing could make a ballet b the ballet represents colonialism. it showed the consequences of centuries of exploitation of non-european people. c the ballet represents the changing ideologies of modernity. the youth of europe breaking all the old rules and the old guard clinging on to the last bits of power d the ballet represents war itself. it drudged up old rivalries between the french and german peoples, inciting the lust for combat.