john d. rockefeller gained control over much of the oil industry by
a.
managing a trust made up of standard oil and allied companies.
b.
buying large sections of the transcontinental railroad.
c.
going into partnership with andrew carnegie.
d.
charging higher prices than his competitors.
select the best answer from the choices provided
a
b
c
d

ANSWER:

The right answer is option a, managing a trust made up of Standard Oil and allied companies.

EXPLANATION:

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

mark brainliest and have a great day!

ba geologist finds four sedimentary rock she determines that no geologic events have shifted the layers she labeles them a,b,c,dbfrom top to bottom