One effect of the Interstate Highway Act of 1957 was that it <span>sparked the growth of the suburbs.</span>
Few states
there's 12 states
I think the answer is: D. <span>Determine whether or not the claim has been made before.
Hope this helps!</span>
1840s
Factory-made agricultural machinery increases farmers' need for cash and encourages commercial farming
1841
Practical grain drill patented
1842
First grain elevator, Buffalo, NY
1843
Sir John Lawes founded the commercial fertilizer industry by developing a process for making superphosphate
1844
Practical mowing machine patented
1847
Irrigation begun in Utah
1849
Mixed chemical fertilizers sold commercially
Answer:
Post more all it says is the article