It was made up of 15 Soviet Republics
Answer:
Using alternative crops would help keep the soil healthy.
Explanation:
George Washington Carver who lived between 1860s to 1943 was an American agricultural scientist, and popularly known for his advocacy for alternative crops to cotton and methods to prevent soil depletion. He was considered as one of the foremost black scientist of the early 20th century
In his attempts to improve depleted soils for agricultural purpose, Carver developed techniques that involved farmers to grow other crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life.
Hence, George Washington Carver think using alternative crops to cotton would help keep the soil healthy.
Portugal established trading activities in China in 1513 when Jorge Alvares arrived.
In 1517 the King sent a mission and created a trade center at Nei Lingding.
Portugal and Ming Dynasty relationship gradually expanded but was deteriorated when Simão de Andrade arrived at Guangzhou in 1519. He violated their customs and laws, so Chinese people reacted by killing several Portuguese in the streets.
In 1521 the Emperor Zhengde died and the Ming Court lost interest in having relations with foreign countries.
There were two battles:
In 1521, every Portuguese vessel was confiscated and Chinese defeated a Portuguese fleet at The First Battle of Tamao
In 1522, Martim Alfonso de Merlo Coutinho was sent to establish diplomatic relations but the Chinese defeated them at The Second Battle of Tamao.
The Chinese resisted any Portuguese attempt to return. But in 1535 Portuguese Port Traders were allowed to anchor ships in Macau´s harbors and they could trade. Finally, in 1537 the Portuguese establish a little Colony at Macau to be administered by Chinese authorities.
I believe the answer is: the government's protection of their lives, liberty, and property.
For example, due to the existence of government, individuals have to sacrifice our ability to establish businesses however we like. But, in return the government would provide law enforcement if there is other citizens who had bad intentions toward us.