Which of the following were reasons that China closed their doors to the rest of the world? (Mark all that are true) Japanese pirates were attacking Chinese ships. Confucian values taught not to pursue anything abroad. Fighting the Mongols in the North was too expensive. Fleets of ships collected tributes from territories.

during the ming dynasty

need more info

explanation:

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.

use wikipedia, i think they have this.