Answer:
Caesar's choice to return to Italy after his years away in Gaul despite the fact that doing so would provoke a civil war.
Explanation:
Electricals genertion machine steam engine improved upon or replaced

Make the denominators equal - Make 2 = 12

Multiply the fraction

by 6


Put together your new fraction, keep the right the same because denominator is already 12 (same)

Subtract the numerators
The answer is B. Hope this helps