The age of exploration began in the 15th century when portugal and spain started to expand there commercial interest and trade routes across the oveans. what are two things that may have motivated explorers to navigate the world by sea during this period?

The two things that motivated the explorers to navigate the world must have been the desire to find new lands that could be owned and the possibility of coming across huge deposits of gold.

Explanation:

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.