Answer:
The answer is community property.
Explanation:
Under this regime, ownership of goods acquired during marriage is shared by the spouses, and it is separated after divorce or death of a spouse.
In some situations, separate property, such as gifts or inheritance, can be transmuted to community property.
The question is ask to list four new inventions, design or ideas of the 1780's, base on my further research and listing, the following are the answer and I do hope you are satisfied with my answer and feel free to ask for more
#1 Ice Cream
#2 Mayonnaise
#3 Piano
#4 Light bulb
The answer for this question is 1868