1914: world war i begins.1917: charles schenck distributes pamphlets encouraging u. s. men to resist serving in the military.1919: the supreme court rules that schenck's action is not protected because it poses a "clear and present danger" to safety. what circumstance limiting freedom of speech is reflected in this timeline?

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.