Si, como asumió colón, solo hubiera mar abierto
entre la costa oeste de españa y la costa este de
asia, ¿habría podido llegar a asia navegando hacia
el oeste desde españa? ¿por qué o por qué no?

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.

The answer for that question is the first one , which is a , 1 atm

Ithink it would be c

The answer would be contributing to standing committees with broad objectives and forming highly specialized joint committees