Explanation: Lexical decision task is a cognitive exercise in which participating individuals decide whether a combination or string of letters is a word or not. The speed or time taken to reach such decision is measured. The Lexical decision task is aimed at understanding the organization and Retrieval pattern of the long term memory. An example of Lexical Decision Task could be, when given a string of letters such as 'SCHOOL', response time to affirm that it is an English word is measured or when given a string 'VNIT', response time to affirm that it isn't a word is measured.
The transcontinental railroad became the gateway to the West. In 1862 the Republican-led Congress appropriated vast areas of land that railroad companies could use to lay their tracks or sell to raise funds for construction.