I am pretty sure its c but if not i am very sorry.
I think it is the first one
Answer:
Gupta Empire expansion
Explanation:
Samudragupta succeeded his father, Chandragupta I, in 335 CE and ruled for about 45 years. ... Gupta Empire, 320-600 CE. The Gupta Empire expanded through conquest and political alliances until 395 CE, when it extended across the entire Indian subcontinent.
It is 10 latitude 45 and longitude
latitude and longitude helps you if you are lost and you see a map lets say you were on the phone with 911 and they asked you were you are.That is when you wold say oh i am at 45 longitude and 10 latitude.
A change in the core would have the greatest effect on the convection currents in the mantle. Hope this helped!
