Why was there such a large growth in maunfacturing and the economy?

Economic growth increase when the machinery available is useful and sufficient in the manufacture of diverse commodities that sell in the market. When there are no types of machinery, or they are insufficient, the output will be low.

Therefore, the economy, in general, has been made easier through the implementation of different types of machinery that ease the production of essential products in diverse markets. Every sector of creation has the implementation strategies that make it easier for various production activities.

the answer is a) to be able to obey them.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.