The conjugation of the verb "design" to "designed", without any auxiliary verb such as "have" or "do", shows the use of the 'simple past" tense (also known as preterite), whose principal function is to place a completed action or situation in a moment before "now".
What tense is the underlined verb in the sentence? The architect designed a daring structure.
D. Past
They wrote a new constitution.
The hiring and firing of the workers when presidential administrations changed in 19th century was known as spoils system. It began when president Jackson became the president in 1829. His supporters thought it necessary to reform the federal government. His opponent opponent considered it to be a corrupt be a corrupt method for political patronage. The opponents liked to call it spoils system. The phrase was first used by Senator William L. Marcy in his speech. President Hayes wanted to reform the civil service appointments which were based on spoils system and tried to change it with merit system.
George McGovern opposed him