Which of these characteristics applies to both the Tang and Song dynasties ?

the dust bowl, otherwise known as the dirty thirties, was a huge dust storm that killed multiple (and i mean  multiple) farmer's crops, leaving them homeless, and foodless, and jobless. in california, there were 5.7 million residents, and the population shrank as mexicans were repatriated. however, when the dustbowl happened, a lot of people began to move to california. by 1940, 250,000 people had arrived. therefore, your answer would be  the population increased, massively.  i hope this !

explanation:

the answer is heceta and bodega y quadra. i hope i you with this question!

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power