Answer:
The 20th century witnessed the birth of modern family planning and its effects on the fertility of hundreds of millions of couples around the world. In 1979, China formally initiated one of the world’s strictest family planning programs—the “one child policy.” Despite its obvious significance, the policy has been significantly understudied. Data limitations and a lack of detailed documentation have hindered researchers. However, it appears clear that the policy has affected China’s economy and society in ways that extend well beyond its fertility rate.
The correct answer is d. <span>France wanted to take back the Alsace-Lorraine region. I</span><span>t was annexed by the Germans after the Franco-Prussian war in 1871 and France wanted it back.</span>
In 1873, San Francisco introduced the cable car system. This mode of transportation was invented by Andrew Smith Hallidie. He was inspired to build this system as a result of a bad accident. A street carriage slid backwards, killing the horses pulling it. He was shocked and decided to do something about it by designing a different form of transportation that would prevent something like that from happening again.