Outposts and colonies of the British Empire have never extended to which continent?

22 countries

Astoundingly though, as our chart shows, there are only 22 countries which have never been invaded by the Brits. According to the book "All the Countries We've Ever Invaded: And the Few We Never Got Round To", there are only 22 countries Britain never invaded throughout the course of history

the answer is a

explanation:

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.