Pet banks were: a. state banks that received federal government deposits b. chartered in 1832 for the express purpose of handling foreign investments c. those established by Jackson’s executive order in 1829 d. banks owned by Jackson’s biggest political cronies e. allowed to issue notes that were not covered by specie reserves

a. state banks that received federal government deposits.

Explanation:

Pet banks were a type of state banks that were common during the presidency of Andrew Jackson. The term "pet banks" was most commonly used by people who opposed to the president. These were state banks that were selected in order to receive large amounts of government money. Moreover, this practice was criticized because these banks were controlled by political friends of the president.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]