How should sentences 3 and 4 be writtenAs this music spread across Texas, a sub-genre of the blues appeared.
As this music, spread across Texas, later a sub-genre of the blues appeared.
As this music spread; a sub-genre of the blues appeared in Texas.
A sub-genre of the blues appeared in Texas as music spread across Texas.
How should sentences 7 and 8 be combined?Johnson made it popular, and he inspired other performers.
Johnson made it popular, because he inspired other performers.
Johnson made it popular, so he inspired other performers.
Johnson, made it popular, when he inspired other performers.
