How did caesar expand the boundaries of rome?

question 3 options:

a)

military conquest

b)

negotiating treaties with neighboring rulers

c)

buying all the land he could afford

d)

claiming unexplored territories

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.