Brainliesttt ! -how did the roman empire expand? -how did the byzantine empire form?

1. The Romans built up their empire through conquest or annexation between the 3rd century BC and the 3rd century AD.

2. The Byzantine empire formed around 330 CE when Constantinople was founded.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

i would say it is a and b.

hope this