Those elements are:
sulphur
chlorine
argon
neon
carbon
oxygen
helium
silicon
calcium
hydrogen
nitrogen
sodium
fluorine
lithium
aluminum
9 of these elements were known during BCE periods. The knowledge of these basic elements is enough for humanity to start the industrial revolutions by leveraging and combining one elements with another as a catalyze to be included either as ingredient of the products or to speed up the production process.
Answer: they gave announcments and warnings just before major events insued. they allowed minutemen to snap into action in a nick of time considering letters would take too long to send and cellphones didnt exist
Explanation:
Bringing in foreign architects to rebuild Moscow
Answer: The U.S constitution.
Explanation:provided Congress the power to establish post offices.
The answer is B, communism. This is easy to remember because Europe colonized Africa, and basically enslaved the native peoples. Europe is never associated with communism, so it would not make sense for them to be fighting it.
