What two nations were almost left out of the race for building empires during the 19th and 20th centuries?

a. there was serious competition for tech jobs at the downtown clinic.

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worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.