Who was the first president of South Africa?

Charles Robberts Swart, was the last Governor-General, had to  sworn in as the first State President. Therefore  its Charles Robberts Swart

letter d is correct.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.