It means being good at it
Europe
I'm assuming that you are talking about colonization. Europe, specifically countries like England, France, Spain, and Portugal, held colonies across the world. I am not sure what time period specifically, but those countries, along with some others, held colonies in the Americas, South Asia, and South-East Asia.
The First Battle of Bull Run, also known as the Battle of Manassas, marked the first major land battle of the American Civil War. ... The Confederate victory gave the South a surge of confidence and shocked many in the North, who realized the war would not be won as easily as they had hoped.