Which of these inventions arose from an attempt to help hearing-impaired people?

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

The ottoman turks advanced rapidity into the balkans,until only austria lay between them and western european. true or false

Which asian country is ruled by a monarch