Answer:
It developed mainly out of the United Kingdom and Los Angeles
Explanation:
Heavy Metal was big in the UK and the US The first heavy metal acts are considered to be Led Zeppelin, Black Sabbath and Deep Purple. Led Zeppelin was an English band formed in London in 1968. Black Sabbath was also an English band formed in Birmingham in 1968. And finally Deep Purple was also an English band formed in London in 1968. Even though the bands performed the same things, they all really like each other. Ozzy Osborne said in 2019, “We were really good mates with Led Zeppelin."
