Answer:
B. depends on people's need
Explanation:
The development of technology requires a huge amount of money for the researches. Historically, people who wanted to put capital on the research do it depending on the demand that exist in the market.
Example of this would be the development of mobile phone.
In the increasingly busier society in 1970s, people develop a need for a method of communication that they can use whenever they are. At that time, their most effective method of communication was land telephone (Which require you to be at your home or office). This was the reason why researches to develop a phone that did not require cables started to be made. Until eventually, a company called Motorola managed to mass produce the first type of mobile phone in 1973.
Answer: D. high population densities
Explanation:
High population densities as noted in the excerpt, make coastal areas very prone to climate change conditions due to the environmental pressure exerted by such huge number of people.
The people in Indonesia will be more prone to climate change effects such as flooding as water levels rise and continue to encroach on the islands which no doubt have houses close to the coast due to the high population densities which means that a lot of people are in danger of losing their homes.
The Double V campaign is a campaign that has a goal of ending the discrimination practices of the white people against the black-skinned people at home. This provokes to migration to other places where discrimination is not that felt. The <span>Double V campaign was created by black people who want to feel change.</span>
Answer:
Dred Scott
Explanation:
The Dred Scott case, also known as Dred Scott v. Sandford, the case led to a decade-long battle for freedom by a Black slave named Dred Scott, which proceeded through several courts before reaching the U.S. Supreme Court, whose decision frustrated abolitionists, gave momentum to the anti-slavery movement, and served as a milestone for the anti-slavery movement.
Answer:
Because it's their traditional
