When did the united states declared war on japan? how much lend lease aid had the united states provied to allies by this time?

I dont know the second but the first answer is October 23, 1941,

Explanation:

Because that was the time in WWI and I sorta just know by having a big brain ;-;

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.