Answer: Right choice:
c. He was committed to states' rights and believed that to save the Union concessions must be made to the South.
Explanation:
President James Buchanan tried to preserve the unity of the Union by different means but he wasn´t succesful in assuaging rising tensions North-South. He tried to prevent anti-slavery agitation in the North. He enforced the Fugitive Slave Act. Southern states began to secede in his last months in office, spurred by the victory of Abraham Lincoln in the 1860 presidential election.
The correct answer is (D) fresh water sources
C… the first two seem more like strengths
The most immediate effect of the Vietnam War was the staggering death toll. The war killed an estimated 2 million Vietnamese civilians, 1.1 million North Vietnamese troops, 200,000 South Vietnamese troops, and 58,000 U.S. troops. Those wounded in combat numbered tens of thousands more. The massive U.S. bombing of both North and South Vietnam left the country in ruins, and the U.S. Army’s use of herbicides such as Agent Orange not only devastated Vietnam’s natural environment but also caused widespread health problems that have persisted for decades.