Need on focus on writing pleaaas

What was the purpose for "checks and balances" in the government? it made possible a system of accountability. it would control the national bank. it would the states to work together to solve national problems.

An educatethe yuan dynasty was responsible for which of the following: i. improving the road system ii. increasing sea trade with india and south east asia. iii. extending the canal system iv. brutal warfare and ruthless killing of people in order to take over china. a. i & iii c. iv only b. ii only d. all of the above member of the government

At which battle did the duke of wellington defeat napoleon?