Why is ferdinand magellan’s voyage considered a
turning point in world history?
(1) portugal’s claims to southern africa were
established.
(2) his ship was the first to land in the americas.
(3) one of his ships was the first to circumnavigate
earth.
(4) britain’s control of the seas ended.

i believe the answer is:

-   william jennings bryan is a democrat while mckinley was a republican

at that time, the segment of population that choose for democratic party were the voters with low economic background and vice versa

- william jennings has support of populists and wants to have inflation to farmers while mckinley has support of bankers and businessmen , doesn't want inflation

the fixed value of gold make the large business able to stack up their gold without   being worried that it would devaluated.

- william jennings supported the silver standard while mckinley supported the gold standard

according to jenning, using other metal beside gold could the poor people to have more purchasing power and them advance in the society.

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.