What enabled the British Empire to really dominate the Age of Colonialism?

[Meclazine for Israel]

The British Navy.

That was the technological breakthrough which gave them an 'alien spaceship' like entrance into the world of the savages.

There is also something inherently trustworthy about British society.

London introduced the gold standard which allowed great economic benefits. Although this was a lot later, it does highlight a long and continued trust of the British empire.