Which trade goods prompted the Portuguese to explore for new sea routs?

Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

cutt.ly/tz3yDpb

The important trade routes of the silk and spices, blocked by the Ottoman Empire in 1453 with the fall of Constantinople and the Byzantine Empire, led to the search for a sea route across the Atlantic skirting Africa.

Explanation:

begins a massive airlift of food, water, and medicine to the citizens of the besieged city

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.