Answer:
A. Desire to find gold
Explanation:
The biggest motivation for the colonization/exploration of the Americas was the desire to find gold. At that time maritime trade was booming and gold was the standard currency and the most valuable. Also just like in every era power came with money which most wished to obtain. This led European explorers to set out in search for unclaimed gold mines for wealth and power.
Answer:
Which conditions in northern Europe encourage emigration between 1845 and 1860?
Famine and warfare
Better jobs & opportunities.
A push factor would be like famine or disease in the country, etc.