Answer:
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The main deeds of the Lincoln are lead the Emancipate black slaves and safeguard national unity through the Civil War and Emancipate black slaves. Therefore the correct options are (D) and (C).
<h3>Who was Abraham Lincoln?</h3>
Abraham Lincoln is the US President and before president he was the lawyer. He was the 16th president of America who served the nation from 1861 to 1865 till his assassination.
The Lincoln has played the great roles lead the American people in the anti fascist war and to Emancipate black slaves and safeguard national unity through the Civil War.
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Early developments in electric power technology helped industries to harness the power of electricity and transport it from place to place. In the early 1800s, the work of Nikola Tesla led to the development of alternating-current (AC) and direct-current (DC) technologies, including batteries and cross-country power transfer. The experiments of Georg Simon Ohm led to his 1927 discovery of Ohm's Law, which measures electrical current and opened the door for increased complexity in electrical circuits.
