What comprised a third of brazil's european immigrant population.

A third of Brazil's European immigrant population is Spanish-Brazilian people.

Explanation:

European Brazilians are about 47% of the total population of the country. Most of them came from Portugal, as Brazil was a Portuguese colony until the 1800s. The second largest group of European immigrants came from Italy, settling mainly in Sao Paulo. The third group of European immigrants, in terms of the amount of people who arrived to Brazil, were the Spanish, as almost 750,000 Spaniards came to Brazil during the 19th and 20th centuries.

answer:   c. the drafting of common sense

explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.