The correct option is D.
Thomas Edison was an American investor and business man and he had been described as the American greatest inventor, because during his life time he accumulated 1,093 patents. He is the brain behind many devices which had radically changed the way people live their lives today. The devices invented by him include: phonograph, light bubs, moving pictures, electrographic vote recorder, the carbon telephone transmitter, etc.
Following the German invasion of Poland on September 1, 1939 hundreds of thousands of Jews and other Polish citizens fled eastward ahead of the advancing German army; many refugees found at least temporary safety in Lithuania. Options for escape were limited and required diplomatic visas to cross international borders. One route was through Asia using a combination of permits issued by foreign envoys responding to the refugee crisis: a bogus visa for entrance to the Dutch Caribbean island of Curaçao and a visa for transit through Japan.
Answer:
Columbia River.
Explanation:
The winding Columbia River is the natural feature which forms most of Washington state's southern boundary with Oregon.
