Who secured the financing for Columbus voyage to America?​

Spain's King and Queen (specifically Queen Isabella)

Explanation:

They were interested in the prospect getting more goods off of India,  so off he went to the ocean to find a new route to India. But instead they found the Americas along with other islands along the way.

- Hope this helps :)

A group communication, that is communication of people within a group, should be constructive, that is, it should bring all the participants some advantage - otherwise  the participants might decline to participate in it. So it should not b.  cause conflict and divide people - this would be counter-productive.