Select all the correct answers. What two effects did the development of vaccines have on society?
controlled infection-causing bacteria
helped control death due to smallpox
became the basis for future research
reduced the deaths of soldiers during wars
reduced the cost of medicines

d

explanation:

answer: the correct answer is d. a christian revivalist movement in the u.s. during the early 19th century

explanation: the second great awakening was lead by the preachers of baptist and methodist congregations in order to gain support for the protestant religion from the 1790's to 1840's

small european communities with shared traditions consolidated into large new states (apex)

the answer is heceta and bodega y quadra. i hope i you with this question!