Is there anyone else that needs help?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

What are the similarities and differences between byzantine empire and kiev russia

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons