Assuming sea dogs means Pirates, then Navymen.
It was known as the Colombian exchange
In the second half of the 19th century, humans used all of the following technological advances to modify and adapt to the physical environment except "the telephone," since although this technology was invented in 1876, it wasn't widely implemented for some time.
It shows his fascination with European art. The Portuguese Jesuits knew this so they brought him a piece of European art which he welcomed because of his love for it. He was known for taking many things from European art and incorporating them into the culture of his people and their art.
To defend its nation against threats from an aggressor nation