They allowed sailors to go on longer voyages plus they help navigators map the coastlines.
Answer:
D.Members of an alliance had to defend each other if one went to war.
The correct answer is:
A response to A Call for Unity, the statement by eight white Alabama clergymen against King and his nonviolent methods.
From the Birmingham jail, where he was imprisoned as a participant in nonviolent demonstrations against segregation, Dr. Martin Luther King, Jr., wrote the "Letter from Birmingham Jail".
It was his response to a public statement of concern and caution issued by eight white religious leaders of the South who accused King of agitating local residents and not giving the incoming mayor a chance to make any changes.
The Munich agreement
The Munich agreement was a settlement permitting Nazi Germany's annexation of portions of Czechoslovakia along the country's borders mainly inhabited by German speakers, for which a new territorial designation "Sudetenland" was coined.
