Which edit to these sentences is necessary to correct a writing error? Once the printing press was invented, authors have been able to make copies of their works quickly. This meant that people could publish books and pamphlets more independently than previously.

A. Change "books and" to "books, and"

B. Change "Once the" to "Once, the"

C. Change "have been" to "were"

D. Change "pamphlets" to "phamplets"​

In his speech how does kennedy build his claim that the united states will defend freedom in its hour of maximum emergency? a.by arguing that the u.s. must enforce international law across the world since the united states is the lone superpower in the worldb.by demonstrating that the poverty which many people suffer from is an obstacle to true freedom  c.by stating that the u.s. will play an active role in fighting groups that are opposed to freedom, and by supporting groups that are fighting for freedom  d.by demanding that the adversaries of the united states be more willing to negotiate, or else there will be war

Which examines the impact of napoleon’s territorial conquest on the world?

Which statement describes a similarity between the great migration and to this day