The compromise of 1850 did all of the following except which one?
a. it admitted california as a free state.
b. it enacted a tougher fugitive slave law.
c. it kept slavery in the district of columbia.
d. it ended the slave trade within the united states.

there are hundreds of postives ways to unite a country with another country here are a   few

1 peace treaty's peace treatys

are basically a document signing a allliance with one country and another.

2 gift

what i mean by this is for example how the french gave the americans the statue of libery a gift of peace.