Can someone please help with these What was the cause of the Mexican American war?
What was the results of the the Mexican American war?
Opinions in the support of the Mexican American war
Opinions against the Mexican America war

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

How does the battle of midway illustrate the importance of intelligence gathering and espionage in modern warfare?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.