The Union Pacific and central pacific
The correct answer is the option D.
As the United States entered the World War II they have started developing nuclear projects under the orders of the president Harry Truman. WW2 represented a massive arms race and president Truman believed that the Nazis have started developing a nuclear bomb, so he ordered that the US began the same project immediately in hopes of finishing before the Nazis.
Answer:
European traders first became a force in the region in the 15th century. The transatlantic African slave trade resumed,
Answer:
Archaeological and linguistic evidence indicates that the <em>Khoisan</em> were the earliest inhabitants who occupied East Africa before 1000AD.
Explanation:
The <em>Khoisan </em>people lived in East Africa before they migrated to Southern and South eastern Africa prior to the Bantu migration. They were the first people to occupy South Africa following their migration. They were known for their hunting and gathering skills. In addition, to living a nomadic way of life.
These alliances that took place before World War 1 in a way started the war. For an example, Germany was in an alliance with Hungary and when they declared war against Serbia, Germany had to fight with them, and so on, finally creating World War 1. Within weeks, Germany declared war with other countries that declared war with others, creating a "domino effect" which just means that most countries just started fighting with one another, either because they declared war with them or because their allies did.
~Hope I helped!~
