Identify whether each case is an example of a push factor or a pull factor that encourages migration.
many immigrants came to america from ireland to escape a famine.
many chinese immigrants came to america to work in new jobs, like building the transcontinental railroad.
many russian jews migrated to america to escape harsh mistreatment.
many scandinavians were encouraged to migrate by the land that the homestead act of 1862 made available.

the answer to your question is:

strong-mayor system

as general terms,  indian territory,  the indian territories, or  indian country  describe an evolving land area set aside by the  united states government  for the relocation of  native americans  who held  aboriginal title  to their land. in general, the tribes ceded land they occupied in exchange for  land grants  in 1803. the concept of an indian territory was an outcome of the 18th- and 19th-century policy of  indian removal. after the  civil war(1861–1865), the policy of the government was one of  assimilation.

i think its 5! hope i

islam spread slowly through much of africa through trade and preaching.