Question

1. what explorer arrested and framed vasco de balboa for treason?

juan ponce de leon
hernan cortes
hernando de soto
francisco pizarro
christopher columbus

1. what was responsible for killing around 90% of native americans?

diseases brought by the europeans
fighting with the conquistadors
war between tribes
none of the above

Explanation:

For the first question, Pedro Arias Dávila sent Francisco Pizarro to arrest and frame Vasco de Balboa for treason. For the second question, diseases brought by Europeans, such as small - pox, decimated around 90% of Native Americans due to their lack of immunity.

Answer:

1. Francisco Pizarro
2. Diseases brought by the Europeans