Select the correct answer from each drop-down menu.
when european settlers first came to north america, the american indians viewed them the population of the american indians began to decline drastically soon after the arrival of european settlers. the most significant cause for this decline was

first drop down
a threat to their daily life
as trading partners
as gods and magicians

second drop down
the settlers use superior weaponry
increased wars with settlers over land claims
a spread of contagious disease from settlers

the 1st answer is “ as trading partners “. The 2nd answer is “ a spread of contagious disease from the settlers.”

Explanation:

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the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.