20th-21st Century London

Campaign: military effort

The press: news media

Conduct: carry out, perform

Air raid: bombing by plane

Annihilation: total destruction

Decrease: make less, fewer, lower

Invasion: military: forced entry

Offensive: war: attack

Demoralise: discourage

Diluted: made less effective

Precipitate: hasten, bring about faster

Reign: time: of king, queen

Flee: run away from

Persecution: oppression

Contemporary: modern

Innovative: novel, original

Impact: emotional effect

Convert [sth] into [sth]: transform, adapt

Power station: factory where energy is generated

Chimney: smoke outlet, flue

Demolish: destroy

Tank: storage container for fuel

Allocate: distribute, share