Answer:
ok so i dont know exactly if this is correct so im sorry if its not i think its the 1 or the 3
Explanation:
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.
The answer is C.
The CIA financed and trained a group of Cuban refugees or exiles to attack Cuba and topple the government of Fidel Castro. The attack was an utter failure.
Though many of his military advisors indicated that an amphibious assault on Cuba by a group of lightly armed exiles had little chance for success, President Kennedy gave the go-ahead for the attack.
On April 17 1961, about 1,200 exiles armed with American weapons and using American landing craft waded ashore at the Bay of Pigs in Cuba.
Over 100 of the exiles were killed and 1,100 captured by the Cuban armed forces.
Lyndon B Johnson should be correct