The countries of Eastern Europe went through some fairly radical changes after the fall of communism.
My homeland has been through a number of radical political and economic changes over the last 10 years. We really need a period of stability now.
The President has proposed a number of
radical changes to the economy in order to make the country more competitive on international markets.
Radical students disrupted the President's speech at the university.
Their grandmother's behavior changed radically once she was put on medication for Alzheimer's
disease.
Some figures in the church in pre-Sandinista Nicaragua were quite radicalized, and supportive of the anti-Somoza rebels.
Primitive creatures living on our planet have been able to adapt and live in radical habitats including glaciers, ocean hot springs, and volcanic
craters.
Martin Luther King Jr. once remarked that when you are right, you cannot be too radical, but when you are wrong, you cannot be too conservative.
The world of work was radically altered by the Industrial Revolution.
The demonstration remained peaceful until some radicals started throwing rocks at the police.
Radicalism seems to have diminished at many universities, and students nowadays seem more concerned about what kind of soft drink is sold on campus than about political matters.
It has been said that there can be no more radical difference in dress than that which exists in the African country of Sudan.
Bolivia's radically different regions were once home to an amazing variety of Indian groups.
Ariel Durant once said that the conservative who resists change is as valuable as the radical who proposes it.
The chemical balance of the brain which controls awareness can be radically altered by the introduction of external agents.
New war tools such as tanks and airplanes radically changed the nature of warfare in the early 1900s.