What is a major concern in suicide bombing attacks?
a. medical attention is often unavailable to victims.
b. the attacks indiscriminately injure bystanders.
c. the suicide bomber is often unharmed.
d. it is impossible to determine the identity of suicide bombers.

the berlin blockade was an international crisis that arose from an attempt by the soviet union, in 1948–49, to force the western allied powers (the united states, the united kingdom, and france) to abandon their post-world war ii jurisdictions in west berlin. in march 1948 the allied powers decided to unite their different occupation zones of germany into a single economic unit. in protest, the soviet representative withdrew from the allied control council. coincident with the introduction of a new deutsche mark in west berlin (as throughout west germany), which the soviets regarded as a violation of agreements with the allies, the soviet occupation forces in eastern germany began a blockade of all rail, road, and water communications between berlin and the west. on june 24 the soviets announced that the four-power administration of berlin had ceased and that the allies no longer had any rights there.

porter is writing economic history because he is focusing on the cost of developing vaccines.

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

patriotism is when people have love and devotion for their country.

explanation: